111660204412 has 24 divisors (see below), whose sum is σ = 196312596480. Its totient is φ = 55571105520.

The previous prime is 111660204391. The next prime is 111660204413. The reversal of 111660204412 is 214402066111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111660204413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2160837 + ... + 2211907.

It is an arithmetic number, because the mean of its divisors is an integer number (8179691520).

Almost surely, 2^111660204412 is an apocalyptic number.

It is an amenable number.

111660204412 is a deficient number, since it is larger than the sum of its proper divisors (84652392068).

111660204412 is a wasteful number, since it uses less digits than its factorization.

111660204412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53601 (or 53599 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 111660204412 in words is "one hundred eleven billion, six hundred sixty million, two hundred four thousand, four hundred twelve".