
"Titanium" garnered critical acclaim from music critics. Jason Lipshutz of Billboardmagazine noted that "the supernatural scene and suburban setting" in the video recall the science fiction film Super 8 (2011), in which Lee stars. Becky Bain of Idolator wrote that, "The video is beautifully shot, and is courageous enough not to answer all its mysteries." A writer for Capital FM called it a "very cinematic video". It was filmed in December 2011 in Sainte-Marthe-sur-le-Lac and at Dorval High School, in the province of Quebec, Canada. A 14-second preview of the video was uploaded to Guetta's official YouTube account on December 16, 2011. The preview showed a young boy (played by actor Ryan Lee) in the smoky woods running away from a SWAT team of men. The video then closes with the caption, "The Music Video Coming Soon". The full video premiered online on December 21, 2011. Neither Guetta nor Sia appear in the video. The music video for "Titanium" was directed by David Wilson. Sia's vocal range span from the note of G 3 to the note of Eb 5 Music video The chorus and breakdown are set in the key of C minor, with a chord progression of Ab–Bb–Gm–Cm.


The verses are in the key of E-flat majooor, with a chord progression of Eb–Bb–Cm.

According to the sheet music published at by Sony/ATV Music Publishing, the song is set in common time with a tempo of 126 beats per minute. "Titanium" has been described as "an emotional near-ballad" that draws from the genres of house, pop and urban-dance.
