111012331312 has 40 divisors (see below), whose sum is σ = 232584060096. Its totient is φ = 51129578496.

The previous prime is 111012331279. The next prime is 111012331321. The reversal of 111012331312 is 213133210111.

It is a self number, because there is not a number n which added to its sum of digits gives 111012331312.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4329063 + ... + 4354630.

Almost surely, 2^111012331312 is an apocalyptic number.

It is an amenable number.

111012331312 is an abundant number, since it is smaller than the sum of its proper divisors (121571728784).

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

111012331312 is a wasteful number, since it uses less digits than its factorization.

111012331312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8683765 (or 8683759 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 111012331312 its reverse (213133210111), we get a palindrome (324145541423).

The spelling of 111012331312 in words is "one hundred eleven billion, twelve million, three hundred thirty-one thousand, three hundred twelve".