20212112022 has 48 divisors (see below), whose sum is σ = 43871908176. Its totient is φ = 6186342400.

The previous prime is 20212111963. The next prime is 20212112027. The reversal of 20212112022 is 22021121202.

It is a junction number, because it is equal to n+sod(n) for n = 20212111992 and 20212112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212112027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112522 + ... + 230402.

It is an arithmetic number, because the mean of its divisors is an integer number (913998087).

Almost surely, 2^20212112022 is an apocalyptic number.

20212112022 is an abundant number, since it is smaller than the sum of its proper divisors (23659796154).

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

20212112022 is a wasteful number, since it uses less digits than its factorization.

20212112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117985 (or 117944 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20212112022 its reverse (22021121202), we get a palindrome (42233233224).

The spelling of 20212112022 in words is "twenty billion, two hundred twelve million, one hundred twelve thousand, twenty-two".