111231202355 has 96 divisors (see below), whose sum is σ = 169838218368. Its totient is φ = 68434329600.

The previous prime is 111231202349. The next prime is 111231202429. The reversal of 111231202355 is 553202132111.

It is a de Polignac number, because none of the positive numbers 2^k-111231202355 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 81726875 + ... + 81728235.

It is an arithmetic number, because the mean of its divisors is an integer number (1769148108).

Almost surely, 2^111231202355 is an apocalyptic number.

111231202355 is a deficient number, since it is larger than the sum of its proper divisors (58607016013).

111231202355 is a wasteful number, since it uses less digits than its factorization.

111231202355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777 (or 1764 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 111231202355 its reverse (553202132111), we get a palindrome (664433334466).

The spelling of 111231202355 in words is "one hundred eleven billion, two hundred thirty-one million, two hundred two thousand, three hundred fifty-five".