108921112 has 24 divisors (see below), whose sum is σ = 207686700. Its totient is φ = 53553120.

The previous prime is 108921089. The next prime is 108921151. The reversal of 108921112 is 211129801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27939 + ... + 31597.

Almost surely, 2^108921112 is an apocalyptic number.

It is an amenable number.

108921112 is a deficient number, since it is larger than the sum of its proper divisors (98765588).

108921112 is an equidigital number, since it uses as much as digits as its factorization.

108921112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787 (or 3722 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 25.

The square root of 108921112 is about 10436.5277750792. The cubic root of 108921112 is about 477.5703497310.

It can be divided in two parts, 1089 and 21112, that added together give a square (22201 = 149²).

The spelling of 108921112 in words is "one hundred eight million, nine hundred twenty-one thousand, one hundred twelve".