20131321300122 has 32 divisors (see below), whose sum is σ = 40297181576832. Its totient is φ = 6704684872704.

The previous prime is 20131321300093. The next prime is 20131321300177. The reversal of 20131321300122 is 22100312313102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91023978 + ... + 91244874.

It is an arithmetic number, because the mean of its divisors is an integer number (1259286924276).

Almost surely, 2^{20131321300122} is an apocalyptic number.

20131321300122 is an abundant number, since it is smaller than the sum of its proper divisors (20165860276710).

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

20131321300122 is a wasteful number, since it uses less digits than its factorization.

20131321300122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233862.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 20131321300122 its reverse (22100312313102), we get a palindrome (42231633613224).

The spelling of 20131321300122 in words is "twenty trillion, one hundred thirty-one billion, three hundred twenty-one million, three hundred thousand, one hundred twenty-two".