202112120011122 has 40 divisors (see below), whose sum is σ = 452987649384732. Its totient is φ = 67354820870400.

The previous prime is 202112120011117. The next prime is 202112120011157. The reversal of 202112120011122 is 221110021211202.

It can be written as a sum of positive squares in 2 ways, for example, as 194627359693881 + 7484760317241 = 13950891^2 + 2735829^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 202112120011095 and 202112120011104.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 146401579 + ... + 147775662.

Almost surely, 2^{202112120011122} is an apocalyptic number.

202112120011122 is an abundant number, since it is smaller than the sum of its proper divisors (250875529373610).

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

202112120011122 is a wasteful number, since it uses less digits than its factorization.

202112120011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294181496 (or 294181487 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 202112120011122 its reverse (221110021211202), we get a palindrome (423222141222324).

The spelling of 202112120011122 in words is "two hundred two trillion, one hundred twelve billion, one hundred twenty million, eleven thousand, one hundred twenty-two".