323221320201121 has 2 divisors, whose sum is σ = 323221320201122. Its totient is φ = 323221320201120.

The previous prime is 323221320201067. The next prime is 323221320201127. The reversal of 323221320201121 is 121102023122323.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193177197392400 + 130044122808721 = 13898820^2 + 11403689^2 .

It is an emirp because it is prime and its reverse (121102023122323) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 323221320201121 - 2¹⁷ = 323221320070049 is a prime.

It is not a weakly prime, because it can be changed into another prime (323221320201127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161610660100560 + 161610660100561.

It is an arithmetic number, because the mean of its divisors is an integer number (161610660100561).

Almost surely, 2^{323221320201121} is an apocalyptic number.

It is an amenable number.

323221320201121 is a deficient number, since it is larger than the sum of its proper divisors (1).

323221320201121 is an equidigital number, since it uses as much as digits as its factorization.

323221320201121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 323221320201121 its reverse (121102023122323), we get a palindrome (444323343323444).

The spelling of 323221320201121 in words is "three hundred twenty-three trillion, two hundred twenty-one billion, three hundred twenty million, two hundred one thousand, one hundred twenty-one".