2131012120110 has 64 divisors (see below), whose sum is σ = 5131132047360. Its totient is φ = 566416730880.

The previous prime is 2131012120109. The next prime is 2131012120121. The reversal of 2131012120110 is 110212101312.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2131012120110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12569586 + ... + 12737994.

It is an arithmetic number, because the mean of its divisors is an integer number (80173938240).

Almost surely, 2^{2131012120110} is an apocalyptic number.

2131012120110 is an abundant number, since it is smaller than the sum of its proper divisors (3000119927250).

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

2131012120110 is a wasteful number, since it uses less digits than its factorization.

2131012120110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169793.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 2131012120110 its reverse (110212101312), we get a palindrome (2241224221422).

The spelling of 2131012120110 in words is "two trillion, one hundred thirty-one billion, twelve million, one hundred twenty thousand, one hundred ten".