20212102211022 has 24 divisors (see below), whose sum is σ = 45414846944376. Its totient is φ = 6737367403512.

The previous prime is 20212102210913. The next prime is 20212102211023. The reversal of 20212102211022 is 22011220121202.

It is a happy number.

20212102211022 is a `hidden beast` number, since 202 + 1 + 210 + 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 = 20212102210986 and 20212102211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212102211023) 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, 20794343353 + ... + 20794344324.

It is an arithmetic number, because the mean of its divisors is an integer number (1892285289349).

Almost surely, 2^{20212102211022} is an apocalyptic number.

20212102211022 is an abundant number, since it is smaller than the sum of its proper divisors (25202744733354).

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

20212102211022 is an equidigital number, since it uses as much as digits as its factorization.

20212102211022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41588687694 (or 41588687682 counting only the distinct ones).

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

Adding to 20212102211022 its reverse (22011220121202), we get a palindrome (42223322332224).

The spelling of 20212102211022 in words is "twenty trillion, two hundred twelve billion, one hundred two million, two hundred eleven thousand, twenty-two".