202102222102122 has 32 divisors (see below), whose sum is σ = 411296014209600. Its totient is φ = 66187980472320.

The previous prime is 202102222102093. The next prime is 202102222102229. The reversal of 202102222102122 is 221201222201202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312356247 + ... + 313002602.

It is an arithmetic number, because the mean of its divisors is an integer number (12853000444050).

Almost surely, 2^{202102222102122} is an apocalyptic number.

202102222102122 is an abundant number, since it is smaller than the sum of its proper divisors (209193792107478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202102222102122 is a wasteful number, since it uses less digits than its factorization.

202102222102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625359798.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 202102222102122 its reverse (221201222201202), we get a palindrome (423303444303324).

The spelling of 202102222102122 in words is "two hundred two trillion, one hundred two billion, two hundred twenty-two million, one hundred two thousand, one hundred twenty-two".