111200131022112 has 144 divisors (see below), whose sum is σ = 363129614658720. Its totient is φ = 31923482572800.

The previous prime is 111200131022027. The next prime is 111200131022147. The reversal of 111200131022112 is 211220131002111.

It is a happy number.

111200131022112 is a `hidden beast` number, since 1 + 1 + 120 + 0 + 1 + 310 + 221 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 923651689 + ... + 923772072.

It is an arithmetic number, because the mean of its divisors is an integer number (2521733435130).

Almost surely, 2^{111200131022112} is an apocalyptic number.

111200131022112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111200131022112 is an abundant number, since it is smaller than the sum of its proper divisors (251929483636608).

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

111200131022112 is a wasteful number, since it uses less digits than its factorization.

111200131022112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1847423807 (or 1847423796 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 111200131022112 its reverse (211220131002111), we get a palindrome (322420262024223).

The spelling of 111200131022112 in words is "one hundred eleven trillion, two hundred billion, one hundred thirty-one million, twenty-two thousand, one hundred twelve".