21200202002210 has 48 divisors (see below), whose sum is σ = 47936985703488. Its totient is φ = 6607855166880.

The previous prime is 21200202002207. The next prime is 21200202002227. The reversal of 21200202002210 is 1220020200212.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1251479252 + ... + 1251496191.

It is an arithmetic number, because the mean of its divisors is an integer number (998687202156).

Almost surely, 2^{21200202002210} is an apocalyptic number.

21200202002210 is an abundant number, since it is smaller than the sum of its proper divisors (26736783701278).

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

21200202002210 is a wasteful number, since it uses less digits than its factorization.

21200202002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502975479 (or 2502975468 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 21200202002210 its reverse (1220020200212), we get a palindrome (22420222202422).

The spelling of 21200202002210 in words is "twenty-one trillion, two hundred billion, two hundred two million, two thousand, two hundred ten".