21102202210002 has 32 divisors (see below), whose sum is σ = 42685233992640. Its totient is φ = 6953953670400.

The previous prime is 21102202209997. The next prime is 21102202210027. The reversal of 21102202210002 is 20001220220112.

It is a super-2 number, since 2×21102202210002² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381958 + ... + 6507710.

It is an arithmetic number, because the mean of its divisors is an integer number (1333913562270).

Almost surely, 2^{21102202210002} is an apocalyptic number.

21102202210002 is an abundant number, since it is smaller than the sum of its proper divisors (21583031782638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21102202210002 is a wasteful number, since it uses less digits than its factorization.

21102202210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6132298.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 21102202210002 its reverse (20001220220112), we get a palindrome (41103422430114).

The spelling of 21102202210002 in words is "twenty-one trillion, one hundred two billion, two hundred two million, two hundred ten thousand, two".