131120100120 has 32 divisors (see below), whose sum is σ = 393360300720. Its totient is φ = 34965360000.

The previous prime is 131120100049. The next prime is 131120100203. The reversal of 131120100120 is 21001021131.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 131120100096 and 131120100105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546333631 + ... + 546333870.

Almost surely, 2^131120100120 is an apocalyptic number.

131120100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131120100120 is an abundant number, since it is smaller than the sum of its proper divisors (262240200600).

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

131120100120 is a wasteful number, since it uses less digits than its factorization.

131120100120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092667515 (or 1092667511 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 131120100120 its reverse (21001021131), we get a palindrome (152121121251).

The spelling of 131120100120 in words is "one hundred thirty-one billion, one hundred twenty million, one hundred thousand, one hundred twenty".