202210122122221 has 16 divisors (see below), whose sum is σ = 214202795319360. Its totient is φ = 190228338558720.

The previous prime is 202210122122213. The next prime is 202210122122249. The reversal of 202210122122221 is 122221221012202.

It is not a de Polignac number, because 202210122122221 - 2³ = 202210122122213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202210122122192 and 202210122122201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202210122122201) 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, 1751149275 + ... + 1751264743.

It is an arithmetic number, because the mean of its divisors is an integer number (13387674707460).

Almost surely, 2^{202210122122221} is an apocalyptic number.

It is an amenable number.

202210122122221 is a deficient number, since it is larger than the sum of its proper divisors (11992673197139).

202210122122221 is a wasteful number, since it uses less digits than its factorization.

202210122122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161724.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 202210122122221 its reverse (122221221012202), we get a palindrome (324431343134423).

The spelling of 202210122122221 in words is "two hundred two trillion, two hundred ten billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred twenty-one".