2131122110 has 48 divisors (see below), whose sum is σ = 4204119024. Its totient is φ = 777344256.

The previous prime is 2131122053. The next prime is 2131122113. The reversal of 2131122110 is 112211312.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131122113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132674 + ... + 147866.

It is an arithmetic number, because the mean of its divisors is an integer number (87585813).

Almost surely, 2^2131122110 is an apocalyptic number.

2131122110 is a deficient number, since it is larger than the sum of its proper divisors (2072996914).

2131122110 is a wasteful number, since it uses less digits than its factorization.

2131122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15309 (or 15296 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2131122110 is about 46164.0781344110. The cubic root of 2131122110 is about 1286.8742522449.

Adding to 2131122110 its reverse (112211312), we get a palindrome (2243333422).

The spelling of 2131122110 in words is "two billion, one hundred thirty-one million, one hundred twenty-two thousand, one hundred ten".