2131112210 has 8 divisors (see below), whose sum is σ = 3836001996. Its totient is φ = 852444880.

The previous prime is 2131112177. The next prime is 2131112239. The reversal of 2131112210 is 122111312.

It can be written as a sum of positive squares in 2 ways, for example, as 2058709129 + 72403081 = 45373^2 + 8509^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2131112210² = 9083278503222168200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106555601 + ... + 106555620.

Almost surely, 2^2131112210 is an apocalyptic number.

2131112210 is a deficient number, since it is larger than the sum of its proper divisors (1704889786).

2131112210 is a wasteful number, since it uses less digits than its factorization.

2131112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213111228.

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

The square root of 2131112210 is about 46163.9709080577. The cubic root of 2131112210 is about 1286.8722595428.

Adding to 2131112210 its reverse (122111312), we get a palindrome (2253223522).

The spelling of 2131112210 in words is "two billion, one hundred thirty-one million, one hundred twelve thousand, two hundred ten".