321323120201201 has 2 divisors, whose sum is σ = 321323120201202. Its totient is φ = 321323120201200.

The previous prime is 321323120201173. The next prime is 321323120201257. The reversal of 321323120201201 is 102102021323123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188066225948176 + 133256894253025 = 13713724^2 + 11543695^2 .

It is a cyclic number.

It is not a de Polignac number, because 321323120201201 - 2¹⁴ = 321323120184817 is a prime.

It is not a weakly prime, because it can be changed into another prime (321323120201261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160661560100600 + 160661560100601.

It is an arithmetic number, because the mean of its divisors is an integer number (160661560100601).

Almost surely, 2^{321323120201201} is an apocalyptic number.

It is an amenable number.

321323120201201 is a deficient number, since it is larger than the sum of its proper divisors (1).

321323120201201 is an equidigital number, since it uses as much as digits as its factorization.

321323120201201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 321323120201201 its reverse (102102021323123), we get a palindrome (423425141524324).

The spelling of 321323120201201 in words is "three hundred twenty-one trillion, three hundred twenty-three billion, one hundred twenty million, two hundred one thousand, two hundred one".