12131113221110 has 64 divisors (see below), whose sum is σ = 23532248779200. Its totient is φ = 4476028833792.

The previous prime is 12131113221079. The next prime is 12131113221113. The reversal of 12131113221110 is 1112231113121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131113221113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1611247826 + ... + 1611255354.

It is an arithmetic number, because the mean of its divisors is an integer number (367691387175).

Almost surely, 2^{12131113221110} is an apocalyptic number.

12131113221110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12131113221110 is a deficient number, since it is larger than the sum of its proper divisors (11401135558090).

12131113221110 is a wasteful number, since it uses less digits than its factorization.

12131113221110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14625.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 12131113221110 its reverse (1112231113121), we get a palindrome (13243344334231).

The spelling of 12131113221110 in words is "twelve trillion, one hundred thirty-one billion, one hundred thirteen million, two hundred twenty-one thousand, one hundred ten".