21102011220010 has 32 divisors (see below), whose sum is σ = 43462342523520. Its totient is φ = 7226226796992.

The previous prime is 21102011219959. The next prime is 21102011220029. The reversal of 21102011220010 is 1002211020112.

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, 182201665 + ... + 182317444.

It is an arithmetic number, because the mean of its divisors is an integer number (1358198203860).

Almost surely, 2^{21102011220010} is an apocalyptic number.

21102011220010 is an abundant number, since it is smaller than the sum of its proper divisors (22360331303510).

21102011220010 is a wasteful number, since it uses less digits than its factorization.

21102011220010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364519950.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21102011220010 its reverse (1002211020112), we get a palindrome (22104222240122).

The spelling of 21102011220010 in words is "twenty-one trillion, one hundred two billion, eleven million, two hundred twenty thousand, ten".