321204422321219 has 2 divisors, whose sum is σ = 321204422321220. Its totient is φ = 321204422321218.

The previous prime is 321204422321191. The next prime is 321204422321281. The reversal of 321204422321219 is 912123224402123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321204422321219 - 2¹² = 321204422317123 is a prime.

It is a super-2 number, since 2×321204422321219² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (321204422311219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160602211160609 + 160602211160610.

It is an arithmetic number, because the mean of its divisors is an integer number (160602211160610).

Almost surely, 2^{321204422321219} is an apocalyptic number.

321204422321219 is a deficient number, since it is larger than the sum of its proper divisors (1).

321204422321219 is an equidigital number, since it uses as much as digits as its factorization.

321204422321219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 321204422321219 in words is "three hundred twenty-one trillion, two hundred four billion, four hundred twenty-two million, three hundred twenty-one thousand, two hundred nineteen".