2131013332120 has 32 divisors (see below), whose sum is σ = 4802551171200. Its totient is φ = 851023790848.

The previous prime is 2131013332117. The next prime is 2131013332127. The reversal of 2131013332120 is 212333101312.

It is a junction number, because it is equal to n+sod(n) for n = 2131013332091 and 2131013332100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131013332127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43148200 + ... + 43197559.

It is an arithmetic number, because the mean of its divisors is an integer number (150079724100).

Almost surely, 2^{2131013332120} is an apocalyptic number.

2131013332120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131013332120 is an abundant number, since it is smaller than the sum of its proper divisors (2671537839080).

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

2131013332120 is a wasteful number, since it uses less digits than its factorization.

2131013332120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86346387 (or 86346383 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2131013332120 its reverse (212333101312), we get a palindrome (2343346433432).

The spelling of 2131013332120 in words is "two trillion, one hundred thirty-one billion, thirteen million, three hundred thirty-two thousand, one hundred twenty".