13521002210 has 16 divisors (see below), whose sum is σ = 24398503992. Its totient is φ = 5394912000.

The previous prime is 13521002179. The next prime is 13521002237. The reversal of 13521002210 is 1220012531.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 13340019001 + 180983209 = 115499^2 + 13453^2 .

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, 1681901 + ... + 1689920.

Almost surely, 2^13521002210 is an apocalyptic number.

13521002210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13521002210 is a deficient number, since it is larger than the sum of its proper divisors (10877501782).

13521002210 is a wasteful number, since it uses less digits than its factorization.

13521002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3372229.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 13521002210 its reverse (1220012531), we get a palindrome (14741014741).

The spelling of 13521002210 in words is "thirteen billion, five hundred twenty-one million, two thousand, two hundred ten".