102202010221 has 16 divisors (see below), whose sum is σ = 106320427200. Its totient is φ = 98124340608.

The previous prime is 102202010159. The next prime is 102202010231. The reversal of 102202010221 is 122010202201.

It is a happy number.

It is not a de Polignac number, because 102202010221 - 2⁹ = 102202009709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102202010231) 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, 5308150 + ... + 5327368.

It is an arithmetic number, because the mean of its divisors is an integer number (6645026700).

Almost surely, 2^102202010221 is an apocalyptic number.

It is an amenable number.

102202010221 is a deficient number, since it is larger than the sum of its proper divisors (4118416979).

102202010221 is a wasteful number, since it uses less digits than its factorization.

102202010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20268.

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

Adding to 102202010221 its reverse (122010202201), we get a palindrome (224212212422).

The spelling of 102202010221 in words is "one hundred two billion, two hundred two million, ten thousand, two hundred twenty-one".