202112001102122 has 16 divisors (see below), whose sum is σ = 307074505203720. Its totient is φ = 99757537304832.

The previous prime is 202112001102029. The next prime is 202112001102163. The reversal of 202112001102122 is 221201100211202.

It can be written as a sum of positive squares in 4 ways, for example, as 26525888808241 + 175586112293881 = 5150329^2 + 13250891^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202112001102122.

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, 926041523 + ... + 926259750.

Almost surely, 2^{202112001102122} is an apocalyptic number.

202112001102122 is a deficient number, since it is larger than the sum of its proper divisors (104962504101598).

202112001102122 is a wasteful number, since it uses less digits than its factorization.

202112001102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852301977.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202112001102122 its reverse (221201100211202), we get a palindrome (423313101313324).

The spelling of 202112001102122 in words is "two hundred two trillion, one hundred twelve billion, one million, one hundred two thousand, one hundred twenty-two".