22133122022021 has 2 divisors, whose sum is σ = 22133122022022. Its totient is φ = 22133122022020.

The previous prime is 22133122021993. The next prime is 22133122022041. The reversal of 22133122022021 is 12022022133122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12571953033025 + 9561168988996 = 3545695^2 + 3092114^2 .

It is a cyclic number.

It is not a de Polignac number, because 22133122022021 - 2¹⁸ = 22133121759877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22133122022041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11066561011010 + 11066561011011.

It is an arithmetic number, because the mean of its divisors is an integer number (11066561011011).

Almost surely, 2^{22133122022021} is an apocalyptic number.

It is an amenable number.

22133122022021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22133122022021 is an equidigital number, since it uses as much as digits as its factorization.

22133122022021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 22133122022021 its reverse (12022022133122), we get a palindrome (34155144155143).

The spelling of 22133122022021 in words is "twenty-two trillion, one hundred thirty-three billion, one hundred twenty-two million, twenty-two thousand, twenty-one".