321214200022321 has 2 divisors, whose sum is σ = 321214200022322. Its totient is φ = 321214200022320.

The previous prime is 321214200022319. The next prime is 321214200022351. The reversal of 321214200022321 is 123220002412123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213619738821696 + 107594461200625 = 14615736^2 + 10372775^2 .

It is a cyclic number.

It is not a de Polignac number, because 321214200022321 - 2¹ = 321214200022319 is a prime.

Together with 321214200022319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (321214200022351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160607100011160 + 160607100011161.

It is an arithmetic number, because the mean of its divisors is an integer number (160607100011161).

Almost surely, 2^{321214200022321} is an apocalyptic number.

It is an amenable number.

321214200022321 is a deficient number, since it is larger than the sum of its proper divisors (1).

321214200022321 is an equidigital number, since it uses as much as digits as its factorization.

321214200022321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 321214200022321 its reverse (123220002412123), we get a palindrome (444434202434444).

The spelling of 321214200022321 in words is "three hundred twenty-one trillion, two hundred fourteen billion, two hundred million, twenty-two thousand, three hundred twenty-one".