21202101002210 has 32 divisors (see below), whose sum is σ = 38442978093312. Its totient is φ = 8418798806400.

The previous prime is 21202101002197. The next prime is 21202101002221. The reversal of 21202101002210 is 1220010120212.

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, 141696935 + ... + 141846485.

It is an arithmetic number, because the mean of its divisors is an integer number (1201343065416).

Almost surely, 2^{21202101002210} is an apocalyptic number.

21202101002210 is a deficient number, since it is larger than the sum of its proper divisors (17240877091102).

21202101002210 is a wasteful number, since it uses less digits than its factorization.

21202101002210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253178.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21202101002210 its reverse (1220010120212), we get a palindrome (22422111122422).

The spelling of 21202101002210 in words is "twenty-one trillion, two hundred two billion, one hundred one million, two thousand, two hundred ten".