102212201021021 has 16 divisors (see below), whose sum is σ = 126502423286400. Its totient is φ = 80419397635008.

The previous prime is 102212201021011. The next prime is 102212201021057. The reversal of 102212201021021 is 120120102212201.

It is a cyclic number.

It is not a de Polignac number, because 102212201021021 - 2²² = 102212196826717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102212201021011) 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, 3137444606 + ... + 3137477183.

It is an arithmetic number, because the mean of its divisors is an integer number (7906401455400).

Almost surely, 2^{102212201021021} is an apocalyptic number.

It is an amenable number.

102212201021021 is a deficient number, since it is larger than the sum of its proper divisors (24290222265379).

102212201021021 is a wasteful number, since it uses less digits than its factorization.

102212201021021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6274921988.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 102212201021021 its reverse (120120102212201), we get a palindrome (222332303233222).

The spelling of 102212201021021 in words is "one hundred two trillion, two hundred twelve billion, two hundred one million, twenty-one thousand, twenty-one".