113321013121200 has 120 divisors (see below), whose sum is σ = 364885834255888. Its totient is φ = 30062361968640.

The previous prime is 113321013121163. The next prime is 113321013121313. The reversal of 113321013121200 is 2121310123311.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244416529 + ... + 244879728.

Almost surely, 2^{113321013121200} is an apocalyptic number.

113321013121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

113321013121200 is an abundant number, since it is smaller than the sum of its proper divisors (251564821134688).

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

113321013121200 is a wasteful number, since it uses less digits than its factorization.

113321013121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489296471 (or 489296460 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 113321013121200 its reverse (2121310123311), we get a palindrome (115442323244511).

The spelling of 113321013121200 in words is "one hundred thirteen trillion, three hundred twenty-one billion, thirteen million, one hundred twenty-one thousand, two hundred".