102220002010021 has 16 divisors (see below), whose sum is σ = 117680013095040. Its totient is φ = 86974327514880.

The previous prime is 102220002009959. The next prime is 102220002010033. The reversal of 102220002010021 is 120010200022201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 102220002010021 - 2¹¹ = 102220002007973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102220002009983 and 102220002010010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220002010081) 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, 23639206 + ... + 27627016.

It is an arithmetic number, because the mean of its divisors is an integer number (7355000818440).

Almost surely, 2^{102220002010021} is an apocalyptic number.

It is an amenable number.

102220002010021 is a deficient number, since it is larger than the sum of its proper divisors (15460011085019).

102220002010021 is a wasteful number, since it uses less digits than its factorization.

102220002010021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4014684.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102220002010021 its reverse (120010200022201), we get a palindrome (222230202032222).

The spelling of 102220002010021 in words is "one hundred two trillion, two hundred twenty billion, two million, ten thousand, twenty-one".