111230890231 has 16 divisors (see below), whose sum is σ = 121851289440. Its totient is φ = 101064499200.

The previous prime is 111230890229. The next prime is 111230890283. The reversal of 111230890231 is 132098032111.

It is a cyclic number.

It is not a de Polignac number, because 111230890231 - 2¹ = 111230890229 is a prime.

It is a super-2 number, since 2×111230890231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111230890193 and 111230890202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111230891231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7091860 + ... + 7107526.

It is an arithmetic number, because the mean of its divisors is an integer number (7615705590).

Almost surely, 2^111230890231 is an apocalyptic number.

111230890231 is a deficient number, since it is larger than the sum of its proper divisors (10620399209).

111230890231 is a wasteful number, since it uses less digits than its factorization.

111230890231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30114.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 111230890231 in words is "one hundred eleven billion, two hundred thirty million, eight hundred ninety thousand, two hundred thirty-one".