111231012023230 has 64 divisors (see below), whose sum is σ = 223072520444928. Its totient is φ = 39585617848960.

The previous prime is 111231012023203. The next prime is 111231012023297. The reversal of 111231012023230 is 32320210132111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147708744 + ... + 148459876.

It is an arithmetic number, because the mean of its divisors is an integer number (3485508131952).

Almost surely, 2^{111231012023230} is an apocalyptic number.

111231012023230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111231012023230 is an abundant number, since it is smaller than the sum of its proper divisors (111841508421698).

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

111231012023230 is a wasteful number, since it uses less digits than its factorization.

111231012023230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779841.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 111231012023230 its reverse (32320210132111), we get a palindrome (143551222155341).

The spelling of 111231012023230 in words is "one hundred eleven trillion, two hundred thirty-one billion, twelve million, twenty-three thousand, two hundred thirty".