2131120030120 has 64 divisors (see below), whose sum is σ = 4936655808000. Its totient is φ = 827477291520.

The previous prime is 2131120030057. The next prime is 2131120030177. The reversal of 2131120030120 is 210300211312.

It is a junction number, because it is equal to n+sod(n) for n = 2131120030094 and 2131120030103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2938624 + ... + 3591343.

It is an arithmetic number, because the mean of its divisors is an integer number (77135247000).

Almost surely, 2^{2131120030120} is an apocalyptic number.

2131120030120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2131120030120 is an abundant number, since it is smaller than the sum of its proper divisors (2805535777880).

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

2131120030120 is a wasteful number, since it uses less digits than its factorization.

2131120030120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6530218 (or 6530214 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2131120030120 its reverse (210300211312), we get a palindrome (2341420241432).

The spelling of 2131120030120 in words is "two trillion, one hundred thirty-one billion, one hundred twenty million, thirty thousand, one hundred twenty".