321204422321201 has 8 divisors (see below), whose sum is σ = 322952863233000. Its totient is φ = 319460713320960.

The previous prime is 321204422321191. The next prime is 321204422321219. The reversal of 321204422321201 is 102123224402123.

It can be written as a sum of positive squares in 4 ways, for example, as 85296325831201 + 235908096490000 = 9235601^2 + 15359300^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321204422321201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321204422321281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1182841760 + ... + 1183113281.

It is an arithmetic number, because the mean of its divisors is an integer number (40369107904125).

Almost surely, 2^{321204422321201} is an apocalyptic number.

It is an amenable number.

321204422321201 is a deficient number, since it is larger than the sum of its proper divisors (1748440911799).

321204422321201 is a wasteful number, since it uses less digits than its factorization.

321204422321201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365955779.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 321204422321201 its reverse (102123224402123), we get a palindrome (423327646723324).

The spelling of 321204422321201 in words is "three hundred twenty-one trillion, two hundred four billion, four hundred twenty-two million, three hundred twenty-one thousand, two hundred one".