111400406222172 has 96 divisors (see below), whose sum is σ = 262615406522112. Its totient is φ = 36751133776896.

The previous prime is 111400406222153. The next prime is 111400406222173. The reversal of 111400406222172 is 271222604004111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111400406222173) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7777721403 + ... + 7777735725.

It is an arithmetic number, because the mean of its divisors is an integer number (2735577151272).

Almost surely, 2^{111400406222172} is an apocalyptic number.

111400406222172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111400406222172 is an abundant number, since it is smaller than the sum of its proper divisors (151215000299940).

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

111400406222172 is a wasteful number, since it uses less digits than its factorization.

111400406222172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19827 (or 19825 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The spelling of 111400406222172 in words is "one hundred eleven trillion, four hundred billion, four hundred six million, two hundred twenty-two thousand, one hundred seventy-two".