321222311203097 has 2 divisors, whose sum is σ = 321222311203098. Its totient is φ = 321222311203096.

The previous prime is 321222311203081. The next prime is 321222311203151. The reversal of 321222311203097 is 790302113222123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 188469076387216 + 132753234815881 = 13728404^2 + 11521859^2 .

It is a cyclic number.

It is not a de Polignac number, because 321222311203097 - 2⁴ = 321222311203081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 321222311203097.

It is not a weakly prime, because it can be changed into another prime (321222311202097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160611155601548 + 160611155601549.

It is an arithmetic number, because the mean of its divisors is an integer number (160611155601549).

Almost surely, 2^{321222311203097} is an apocalyptic number.

It is an amenable number.

321222311203097 is a deficient number, since it is larger than the sum of its proper divisors (1).

321222311203097 is an equidigital number, since it uses as much as digits as its factorization.

321222311203097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54432, while the sum is 38.

The spelling of 321222311203097 in words is "three hundred twenty-one trillion, two hundred twenty-two billion, three hundred eleven million, two hundred three thousand, ninety-seven".