20012122211022 has 24 divisors (see below), whose sum is σ = 44367960872664. Its totient is φ = 6515574673104.

The previous prime is 20012122211021. The next prime is 20012122211027. The reversal of 20012122211022 is 22011222121002.

It is a happy number.

20012122211022 is a `hidden beast` number, since 200 + 1 + 212 + 221 + 10 + 22 = 666.

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 = 20012122210986 and 20012122211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012122211021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12927726753 + ... + 12927728300.

It is an arithmetic number, because the mean of its divisors is an integer number (1848665036361).

Almost surely, 2^{20012122211022} is an apocalyptic number.

20012122211022 is an abundant number, since it is smaller than the sum of its proper divisors (24355838661642).

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

20012122211022 is a wasteful number, since it uses less digits than its factorization.

20012122211022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25855455104 (or 25855455101 counting only the distinct ones).

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

Adding to 20012122211022 its reverse (22011222121002), we get a palindrome (42023344332024).

The spelling of 20012122211022 in words is "twenty trillion, twelve billion, one hundred twenty-two million, two hundred eleven thousand, twenty-two".