111210110992 has 20 divisors (see below), whose sum is σ = 216842012716. Its totient is φ = 55250881920.

The previous prime is 111210110983. The next prime is 111210111007. The reversal of 111210110992 is 299011012111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26310137616 + 84899973376 = 162204^2 + 291376^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 111210110992.

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, 22133259 + ... + 22138282.

Almost surely, 2^111210110992 is an apocalyptic number.

It is an amenable number.

111210110992 is a deficient number, since it is larger than the sum of its proper divisors (105631901724).

111210110992 is a wasteful number, since it uses less digits than its factorization.

111210110992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44271706 (or 44271700 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 28.

The spelling of 111210110992 in words is "one hundred eleven billion, two hundred ten million, one hundred ten thousand, nine hundred ninety-two".