22023321121 has 2 divisors, whose sum is σ = 22023321122. Its totient is φ = 22023321120.

The previous prime is 22023321119. The next prime is 22023321139. The reversal of 22023321121 is 12112332022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17275422096 + 4747899025 = 131436^2 + 68905^2 .

It is a cyclic number.

It is not a de Polignac number, because 22023321121 - 2¹ = 22023321119 is a prime.

Together with 22023321119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22023321181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11011660560 + 11011660561.

It is an arithmetic number, because the mean of its divisors is an integer number (11011660561).

Almost surely, 2^22023321121 is an apocalyptic number.

It is an amenable number.

22023321121 is a deficient number, since it is larger than the sum of its proper divisors (1).

22023321121 is an equidigital number, since it uses as much as digits as its factorization.

22023321121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22023321121 its reverse (12112332022), we get a palindrome (34135653143).

The spelling of 22023321121 in words is "twenty-two billion, twenty-three million, three hundred twenty-one thousand, one hundred twenty-one".