2131102210 has 16 divisors (see below), whose sum is σ = 3841230456. Its totient is φ = 851275008.

The previous prime is 2131102199. The next prime is 2131102229. The reversal of 2131102210 is 122011312.

It can be written as a sum of positive squares in 4 ways, for example, as 1812800929 + 318301281 = 42577^2 + 17841^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138039 + ... + 152698.

Almost surely, 2^2131102210 is an apocalyptic number.

2131102210 is a deficient number, since it is larger than the sum of its proper divisors (1710128246).

2131102210 is a wasteful number, since it uses less digits than its factorization.

2131102210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291477.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2131102210 is about 46163.8625983572. The cubic root of 2131102210 is about 1286.8702467060.

Adding to 2131102210 its reverse (122011312), we get a palindrome (2253113522).

It can be divided in two parts, 2131102 and 210, that added together give a palindrome (2131312).

The spelling of 2131102210 in words is "two billion, one hundred thirty-one million, one hundred two thousand, two hundred ten".