2022221221131 has 32 divisors (see below), whose sum is σ = 2852386324480. Its totient is φ = 1270816711200.

The previous prime is 2022221221091. The next prime is 2022221221157. The reversal of 2022221221131 is 1311221222202.

It is not a de Polignac number, because 2022221221131 - 2⁹ = 2022221220619 is a prime.

It is a super-2 number, since 2×2022221221131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2022221221098 and 2022221221107.

It is not an unprimeable number, because it can be changed into a prime (2022221221231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25522266 + ... + 25601376.

It is an arithmetic number, because the mean of its divisors is an integer number (89137072640).

Almost surely, 2^{2022221221131} is an apocalyptic number.

2022221221131 is a deficient number, since it is larger than the sum of its proper divisors (830165103349).

2022221221131 is a wasteful number, since it uses less digits than its factorization.

2022221221131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81367.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2022221221131 its reverse (1311221222202), we get a palindrome (3333442443333).

The spelling of 2022221221131 in words is "two trillion, twenty-two billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred thirty-one".