2022212120121 has 6 divisors (see below), whose sum is σ = 2920973062410. Its totient is φ = 1348141413408.

The previous prime is 2022212120119. The next prime is 2022212120161. The reversal of 2022212120121 is 1210212122202.

It is a happy number.

2022212120121 is a `hidden beast` number, since 202 + 221 + 2 + 120 + 121 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1999223495721 + 22988624400 = 1413939^2 + 151620^2 .

It is not a de Polignac number, because 2022212120121 - 2¹ = 2022212120119 is a prime.

It is a super-3 number, since 3×2022212120121³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2022212120094 and 2022212120103.

It is not an unprimeable number, because it can be changed into a prime (2022212120161) 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 5 ways as a sum of consecutive naturals, for example, 112345117776 + ... + 112345117793.

It is an arithmetic number, because the mean of its divisors is an integer number (486828843735).

Almost surely, 2^{2022212120121} is an apocalyptic number.

It is an amenable number.

2022212120121 is a deficient number, since it is larger than the sum of its proper divisors (898760942289).

2022212120121 is a wasteful number, since it uses less digits than its factorization.

2022212120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224690235575 (or 224690235572 counting only the distinct ones).

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

Adding to 2022212120121 its reverse (1210212122202), we get a palindrome (3232424242323).

The spelling of 2022212120121 in words is "two trillion, twenty-two billion, two hundred twelve million, one hundred twenty thousand, one hundred twenty-one".