111942002106 has 80 divisors (see below), whose sum is σ = 282463112448. Its totient is φ = 32827550400.

The previous prime is 111942002093. The next prime is 111942002147. The reversal of 111942002106 is 601200249111.

111942002106 is a `hidden beast` number, since 11 + 19 + 420 + 0 + 210 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 111942002106.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 957955 + ... + 1068438.

Almost surely, 2^111942002106 is an apocalyptic number.

111942002106 is an abundant number, since it is smaller than the sum of its proper divisors (170521110342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111942002106 is a wasteful number, since it uses less digits than its factorization.

111942002106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2026449 (or 2026440 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The spelling of 111942002106 in words is "one hundred eleven billion, nine hundred forty-two million, two thousand, one hundred six".