12110113221231 has 16 divisors (see below), whose sum is σ = 16329218734080. Its totient is φ = 7982219108160.

The previous prime is 12110113221229. The next prime is 12110113221251. The reversal of 12110113221231 is 13212231101121.

It is not a de Polignac number, because 12110113221231 - 2¹ = 12110113221229 is a prime.

It is a super-2 number, since 2×12110113221231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12110113221198 and 12110113221207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110113221251) 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, 3146476 + ... + 5841278.

It is an arithmetic number, because the mean of its divisors is an integer number (1020576170880).

Almost surely, 2^{12110113221231} is an apocalyptic number.

12110113221231 is a deficient number, since it is larger than the sum of its proper divisors (4219105512849).

12110113221231 is a wasteful number, since it uses less digits than its factorization.

12110113221231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711726.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 12110113221231 its reverse (13212231101121), we get a palindrome (25322344322352).

The spelling of 12110113221231 in words is "twelve trillion, one hundred ten billion, one hundred thirteen million, two hundred twenty-one thousand, two hundred thirty-one".