321001012338001 has 2 divisors, whose sum is σ = 321001012338002. Its totient is φ = 321001012338000.

The previous prime is 321001012337981. The next prime is 321001012338043. The reversal of 321001012338001 is 100833210100123.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 212735322531601 + 108265689806400 = 14585449^2 + 10405080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321001012338001 is a prime.

It is not a weakly prime, because it can be changed into another prime (321001012332001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160500506169000 + 160500506169001.

It is an arithmetic number, because the mean of its divisors is an integer number (160500506169001).

Almost surely, 2^{321001012338001} is an apocalyptic number.

It is an amenable number.

321001012338001 is a deficient number, since it is larger than the sum of its proper divisors (1).

321001012338001 is an equidigital number, since it uses as much as digits as its factorization.

321001012338001 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 25.

Adding to 321001012338001 its reverse (100833210100123), we get a palindrome (421834222438124).

The spelling of 321001012338001 in words is "three hundred twenty-one trillion, one billion, twelve million, three hundred thirty-eight thousand, one".