321100213207 has 2 divisors, whose sum is σ = 321100213208. Its totient is φ = 321100213206.

The previous prime is 321100213201. The next prime is 321100213223. The reversal of 321100213207 is 702312001123.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321100213207 - 2¹⁵ = 321100180439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321100213201) 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, 160550106603 + 160550106604.

It is an arithmetic number, because the mean of its divisors is an integer number (160550106604).

Almost surely, 2^321100213207 is an apocalyptic number.

321100213207 is a deficient number, since it is larger than the sum of its proper divisors (1).

321100213207 is an equidigital number, since it uses as much as digits as its factorization.

321100213207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The spelling of 321100213207 in words is "three hundred twenty-one billion, one hundred million, two hundred thirteen thousand, two hundred seven".