2022220112121 has 24 divisors (see below), whose sum is σ = 3188509353120. Its totient is φ = 1224826142400.

The previous prime is 2022220112047. The next prime is 2022220112141. The reversal of 2022220112121 is 1212110222202.

It is a happy number.

It is not a de Polignac number, because 2022220112121 - 2⁷ = 2022220111993 is a prime.

It is a super-2 number, since 2×2022220112121² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2022220112094 and 2022220112103.

It is not an unprimeable number, because it can be changed into a prime (2022220112141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6188275 + ... + 6506856.

It is an arithmetic number, because the mean of its divisors is an integer number (132854556380).

Almost surely, 2^{2022220112121} is an apocalyptic number.

It is an amenable number.

2022220112121 is a deficient number, since it is larger than the sum of its proper divisors (1166289240999).

2022220112121 is a wasteful number, since it uses less digits than its factorization.

2022220112121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12696757 (or 12696754 counting only the distinct ones).

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

Adding to 2022220112121 its reverse (1212110222202), we get a palindrome (3234330334323).

The spelling of 2022220112121 in words is "two trillion, twenty-two billion, two hundred twenty million, one hundred twelve thousand, one hundred twenty-one".