202102010222122 has 16 divisors (see below), whose sum is σ = 305555127177672. Its totient is φ = 100251215733760.

The previous prime is 202102010222089. The next prime is 202102010222153. The reversal of 202102010222122 is 221222010201202.

It can be written as a sum of positive squares in 4 ways, for example, as 193520678591241 + 8581331630881 = 13911171^2 + 2929391^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202102010222122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228199879 + ... + 229083802.

Almost surely, 2^{202102010222122} is an apocalyptic number.

202102010222122 is a deficient number, since it is larger than the sum of its proper divisors (103453116955550).

202102010222122 is a wasteful number, since it uses less digits than its factorization.

202102010222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457285433.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202102010222122 its reverse (221222010201202), we get a palindrome (423324020423324).

The spelling of 202102010222122 in words is "two hundred two trillion, one hundred two billion, ten million, two hundred twenty-two thousand, one hundred twenty-two".