102202022221 has 16 divisors (see below), whose sum is σ = 110598143040. Its totient is φ = 93882804480.

The previous prime is 102202022161. The next prime is 102202022243. The reversal of 102202022221 is 122220202201.

It is a cyclic number.

It is not a de Polignac number, because 102202022221 - 2²³ = 102193633613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102202022195 and 102202022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102202022261) 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, 4760850 + ... + 4782268.

It is an arithmetic number, because the mean of its divisors is an integer number (6912383940).

Almost surely, 2^102202022221 is an apocalyptic number.

It is an amenable number.

102202022221 is a deficient number, since it is larger than the sum of its proper divisors (8396120819).

102202022221 is a wasteful number, since it uses less digits than its factorization.

102202022221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23196.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 102202022221 its reverse (122220202201), we get a palindrome (224422224422).

The spelling of 102202022221 in words is "one hundred two billion, two hundred two million, twenty-two thousand, two hundred twenty-one".