2022222011121 has 40 divisors (see below), whose sum is σ = 3254066363240. Its totient is φ = 1244121804288.

The previous prime is 2022222011077. The next prime is 2022222011177. The reversal of 2022222011121 is 1211102222202.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 98630543025 + 1923591468096 = 314055^2 + 1386936^2 .

It is not a de Polignac number, because 2022222011121 - 2⁹ = 2022222010609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2022222011094 and 2022222011103.

It is not an unprimeable number, because it can be changed into a prime (2022222011221) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3848211 + ... + 4342023.

It is an arithmetic number, because the mean of its divisors is an integer number (81351659081).

Almost surely, 2^{2022222011121} is an apocalyptic number.

It is an amenable number.

2022222011121 is a deficient number, since it is larger than the sum of its proper divisors (1231844352119).

2022222011121 is a wasteful number, since it uses less digits than its factorization.

2022222011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497727 (or 497718 counting only the distinct ones).

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

Adding to 2022222011121 its reverse (1211102222202), we get a palindrome (3233324233323).

The spelling of 2022222011121 in words is "two trillion, twenty-two billion, two hundred twenty-two million, eleven thousand, one hundred twenty-one".