202202102221 has 8 divisors (see below), whose sum is σ = 234876447104. Its totient is φ = 170474839920.

The previous prime is 202202102191. The next prime is 202202102303. The reversal of 202202102221 is 122201202202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 202202102221 - 2²³ = 202193713613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202202102195 and 202202102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202202102521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236770185 + ... + 236771038.

It is an arithmetic number, because the mean of its divisors is an integer number (29359555888).

Almost surely, 2^202202102221 is an apocalyptic number.

It is an amenable number.

202202102221 is a deficient number, since it is larger than the sum of its proper divisors (32674344883).

202202102221 is an equidigital number, since it uses as much as digits as its factorization.

202202102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473541291.

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

Adding to 202202102221 its reverse (122201202202), we get a palindrome (324403304423).

The spelling of 202202102221 in words is "two hundred two billion, two hundred two million, one hundred two thousand, two hundred twenty-one".