20112022121022 has 64 divisors (see below), whose sum is σ = 50962590020160. Its totient is φ = 5824295995392.

The previous prime is 20112022121003. The next prime is 20112022121047. The reversal of 20112022121022 is 22012122021102.

It is a happy number.

20112022121022 is a `hidden beast` number, since 201 + 12 + 0 + 221 + 210 + 22 = 666.

It is a super-2 number, since 2×20112022121022² (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 = 20112022120986 and 20112022121004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 842623483 + ... + 842647350.

It is an arithmetic number, because the mean of its divisors is an integer number (796290469065).

Almost surely, 2^{20112022121022} is an apocalyptic number.

20112022121022 is an abundant number, since it is smaller than the sum of its proper divisors (30850567899138).

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

20112022121022 is a wasteful number, since it uses less digits than its factorization.

20112022121022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685270874 (or 1685270868 counting only the distinct ones).

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

Adding to 20112022121022 its reverse (22012122021102), we get a palindrome (42124144142124).

The spelling of 20112022121022 in words is "twenty trillion, one hundred twelve billion, twenty-two million, one hundred twenty-one thousand, twenty-two".