102022201222021 has 4 divisors (see below), whose sum is σ = 102633112606752. Its totient is φ = 101411289837292.

The previous prime is 102022201222013. The next prime is 102022201222049. The reversal of 102022201222021 is 120222102220201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102022201222021 - 2³ = 102022201222013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102022201222021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022201222621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305455692115 + ... + 305455692448.

It is an arithmetic number, because the mean of its divisors is an integer number (25658278151688).

Almost surely, 2^{102022201222021} is an apocalyptic number.

It is an amenable number.

102022201222021 is a deficient number, since it is larger than the sum of its proper divisors (610911384731).

102022201222021 is an equidigital number, since it uses as much as digits as its factorization.

102022201222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610911384730.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 102022201222021 its reverse (120222102220201), we get a palindrome (222244303442222).

The spelling of 102022201222021 in words is "one hundred two trillion, twenty-two billion, two hundred one million, two hundred twenty-two thousand, twenty-one".