202102221220112 has 20 divisors (see below), whose sum is σ = 391601613083136. Its totient is φ = 101043740424480.

The previous prime is 202102221220079. The next prime is 202102221220171. The reversal of 202102221220112 is 211022122201202.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460410368 + ... + 460849119.

Almost surely, 2^{202102221220112} is an apocalyptic number.

It is an amenable number.

202102221220112 is a deficient number, since it is larger than the sum of its proper divisors (189499391863024).

202102221220112 is a wasteful number, since it uses less digits than its factorization.

202102221220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921273206 (or 921273200 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 202102221220112 its reverse (211022122201202), we get a palindrome (413124343421314).

The spelling of 202102221220112 in words is "two hundred two trillion, one hundred two billion, two hundred twenty-one million, two hundred twenty thousand, one hundred twelve".