102212213000021 has 16 divisors (see below), whose sum is σ = 106501996136448. Its totient is φ = 97984581951600.

The previous prime is 102212212999997. The next prime is 102212213000057. The reversal of 102212213000021 is 120000312212201.

It is a cyclic number.

It is not a de Polignac number, because 102212213000021 - 2³⁴ = 102195033130837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212213002021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53496446 + ... + 55374128.

It is an arithmetic number, because the mean of its divisors is an integer number (6656374758528).

Almost surely, 2^{102212213000021} is an apocalyptic number.

It is an amenable number.

102212213000021 is a deficient number, since it is larger than the sum of its proper divisors (4289783136427).

102212213000021 is a wasteful number, since it uses less digits than its factorization.

102212213000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894232.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 102212213000021 its reverse (120000312212201), we get a palindrome (222212525212222).

The spelling of 102212213000021 in words is "one hundred two trillion, two hundred twelve billion, two hundred thirteen million, twenty-one", and thus it is an aban number.