111202011992 has 16 divisors (see below), whose sum is σ = 209094440040. Its totient is φ = 55443494656.

The previous prime is 111202011979. The next prime is 111202012037. The reversal of 111202011992 is 299110202111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19685918 + ... + 19691565.

Almost surely, 2^111202011992 is an apocalyptic number.

It is an amenable number.

111202011992 is a deficient number, since it is larger than the sum of its proper divisors (97892428048).

111202011992 is a wasteful number, since it uses less digits than its factorization.

111202011992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39377842 (or 39377838 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 111202011992 in words is "one hundred eleven billion, two hundred two million, eleven thousand, nine hundred ninety-two".