112 = 24 x 7.
112 is the difference between two squares: 112 = 112 - 32.
112 is a number that cannot be written as a sum of three squares.
112 is 11011 in base 3, 1300 in base 4, 422 in base 5, 220 in base 7, 88 in base 13, 80 in base 14, 77 in base 15, and 70 in base 16.
112 is the maximum number of regions into which 11 circles can divide a plane.
Source: Positive Integers