111400512402 has 16 divisors (see below), whose sum is σ = 226577314080. Its totient is φ = 36504122592.

The previous prime is 111400512401. The next prime is 111400512469. The reversal of 111400512402 is 204215004111.

It is not an unprimeable number, because it can be changed into a prime (111400512401) 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, 157345003 + ... + 157345710.

It is an arithmetic number, because the mean of its divisors is an integer number (14161082130).

Almost surely, 2^111400512402 is an apocalyptic number.

111400512402 is an abundant number, since it is smaller than the sum of its proper divisors (115176801678).

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

111400512402 is a wasteful number, since it uses less digits than its factorization.

111400512402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314690777.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 111400512402 its reverse (204215004111), we get a palindrome (315615516513).

The spelling of 111400512402 in words is "one hundred eleven billion, four hundred million, five hundred twelve thousand, four hundred two".