2131022210 has 16 divisors (see below), whose sum is σ = 3836686392. Its totient is φ = 852220800.

The previous prime is 2131022207. The next prime is 2131022219. The reversal of 2131022210 is 122201312.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 634183489 + 1496838721 = 25183^2 + 38689^2 .

It is not an unprimeable number, because it can be changed into a prime (2131022219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29840 + ... + 71780.

Almost surely, 2^2131022210 is an apocalyptic number.

2131022210 is a deficient number, since it is larger than the sum of its proper divisors (1705664182).

2131022210 is a wasteful number, since it uses less digits than its factorization.

2131022210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47029.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2131022210 is about 46162.9961116044. The cubic root of 2131022210 is about 1286.8541437856.

Adding to 2131022210 its reverse (122201312), we get a palindrome (2253223522).

The spelling of 2131022210 in words is "two billion, one hundred thirty-one million, twenty-two thousand, two hundred ten".