2022201220122 has 20 divisors (see below), whose sum is σ = 4531228660266. Its totient is φ = 674067073320.

The previous prime is 2022201220111. The next prime is 2022201220177. The reversal of 2022201220122 is 2210221022202.

2022201220122 is a `hidden beast` number, since 202 + 220 + 1 + 220 + 1 + 22 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1801396149921 + 220805070201 = 1342161^2 + 469899^2 .

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 = 2022201220095 and 2022201220104.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6241361629 + ... + 6241361952.

Almost surely, 2^{2022201220122} is an apocalyptic number.

2022201220122 is an abundant number, since it is smaller than the sum of its proper divisors (2509027440144).

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

2022201220122 is a wasteful number, since it uses less digits than its factorization.

2022201220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12482723595 (or 12482723586 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2022201220122 its reverse (2210221022202), we get a palindrome (4232422242324).

The spelling of 2022201220122 in words is "two trillion, twenty-two billion, two hundred one million, two hundred twenty thousand, one hundred twenty-two".