2131130332120 has 32 divisors (see below), whose sum is σ = 4822760275920. Its totient is φ = 847524661120.

The previous prime is 2131130332091. The next prime is 2131130332129. The reversal of 2131130332120 is 212330311312.

It is a junction number, because it is equal to n+sod(n) for n = 2131130332091 and 2131130332100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131130332129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153976486 + ... + 153990325.

Almost surely, 2^{2131130332120} is an apocalyptic number.

2131130332120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131130332120 is an abundant number, since it is smaller than the sum of its proper divisors (2691629943800).

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

2131130332120 is a wasteful number, since it uses less digits than its factorization.

2131130332120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307966995 (or 307966991 counting only the distinct ones).

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

Adding to 2131130332120 its reverse (212330311312), we get a palindrome (2343460643432).

The spelling of 2131130332120 in words is "two trillion, one hundred thirty-one billion, one hundred thirty million, three hundred thirty-two thousand, one hundred twenty".