9023321320121 has 2 divisors, whose sum is σ = 9023321320122. Its totient is φ = 9023321320120.

The previous prime is 9023321320063. The next prime is 9023321320147. The reversal of 9023321320121 is 1210231233209.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5461755961600 + 3561565358521 = 2337040^2 + 1887211^2 .

It is a cyclic number.

It is not a de Polignac number, because 9023321320121 - 2¹⁰ = 9023321319097 is a prime.

It is not a weakly prime, because it can be changed into another prime (9023321380121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4511660660060 + 4511660660061.

It is an arithmetic number, because the mean of its divisors is an integer number (4511660660061).

Almost surely, 2^{9023321320121} is an apocalyptic number.

It is an amenable number.

9023321320121 is a deficient number, since it is larger than the sum of its proper divisors (1).

9023321320121 is an equidigital number, since it uses as much as digits as its factorization.

9023321320121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 29.

The spelling of 9023321320121 in words is "nine trillion, twenty-three billion, three hundred twenty-one million, three hundred twenty thousand, one hundred twenty-one".