2131330322120 has 16 divisors (see below), whose sum is σ = 4795493224860. Its totient is φ = 852532128832.

The previous prime is 2131330322047. The next prime is 2131330322141. The reversal of 2131330322120 is 212230331312.

It can be written as a sum of positive squares in 2 ways, for example, as 1996337274724 + 134993047396 = 1412918^2 + 367414^2 .

It is a super-2 number, since 2×2131330322120² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26641628987 + ... + 26641629066.

Almost surely, 2^{2131330322120} is an apocalyptic number.

2131330322120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131330322120 is an abundant number, since it is smaller than the sum of its proper divisors (2664162902740).

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

2131330322120 is a wasteful number, since it uses less digits than its factorization.

2131330322120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53283258064 (or 53283258060 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2131330322120 its reverse (212230331312), we get a palindrome (2343560653432).

The spelling of 2131330322120 in words is "two trillion, one hundred thirty-one billion, three hundred thirty million, three hundred twenty-two thousand, one hundred twenty".