20112040021122 has 96 divisors (see below), whose sum is σ = 51911798590080. Its totient is φ = 5505796558080.

The previous prime is 20112040021109. The next prime is 20112040021153. The reversal of 20112040021122 is 22112004021102.

20112040021122 is a `hidden beast` number, since 2 + 0 + 1 + 120 + 400 + 21 + 122 = 666.

It is a super-2 number, since 2×20112040021122² (a number of 27 digits) contains 22 as substring.

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 = 20112040021095 and 20112040021104.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20529403 + ... + 21486750.

It is an arithmetic number, because the mean of its divisors is an integer number (540747901980).

Almost surely, 2^{20112040021122} is an apocalyptic number.

20112040021122 is an abundant number, since it is smaller than the sum of its proper divisors (31799758568958).

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

20112040021122 is a wasteful number, since it uses less digits than its factorization.

20112040021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42016328 (or 42016325 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20112040021122 its reverse (22112004021102), we get a palindrome (42224044042224).

The spelling of 20112040021122 in words is "twenty trillion, one hundred twelve billion, forty million, twenty-one thousand, one hundred twenty-two".