102212102000021 has 8 divisors (see below), whose sum is σ = 110074716615864. Its totient is φ = 94349508131520.

The previous prime is 102212102000003. The next prime is 102212102000059. The reversal of 102212102000021 is 120000201212201.

It can be written as a sum of positive squares in 4 ways, for example, as 721286709796 + 101490815290225 = 849286^2 + 10074265^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102212102000021 - 2³⁴ = 102194922130837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212102000221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5927195 + ... + 15477591.

It is an arithmetic number, because the mean of its divisors is an integer number (13759339576983).

Almost surely, 2^{102212102000021} is an apocalyptic number.

It is an amenable number.

102212102000021 is a deficient number, since it is larger than the sum of its proper divisors (7862614615843).

102212102000021 is an equidigital number, since it uses as much as digits as its factorization.

102212102000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10373671.

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

Adding to 102212102000021 its reverse (120000201212201), we get a palindrome (222212303212222).

The spelling of 102212102000021 in words is "one hundred two trillion, two hundred twelve billion, one hundred two million, twenty-one", and thus it is an aban number.