20202120211112 has 16 divisors (see below), whose sum is σ = 43290257595360. Its totient is φ = 8658051519024.

The previous prime is 20202120211093. The next prime is 20202120211139. The reversal of 20202120211112 is 21111202120202.

It is a super-2 number, since 2×20202120211112² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180376073258 + ... + 180376073369.

It is an arithmetic number, because the mean of its divisors is an integer number (2705641099710).

Almost surely, 2^{20202120211112} is an apocalyptic number.

It is an amenable number.

20202120211112 is an abundant number, since it is smaller than the sum of its proper divisors (23088137384248).

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

20202120211112 is a wasteful number, since it uses less digits than its factorization.

20202120211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360752146640 (or 360752146636 counting only the distinct ones).

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

Adding to 20202120211112 its reverse (21111202120202), we get a palindrome (41313322331314).

The spelling of 20202120211112 in words is "twenty trillion, two hundred two billion, one hundred twenty million, two hundred eleven thousand, one hundred twelve".