321012104102321 has 16 divisors (see below), whose sum is σ = 336326318039040. Its totient is φ = 306008190789840.

The previous prime is 321012104102171. The next prime is 321012104102329. The reversal of 321012104102321 is 123201401210123.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321012104102321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321012104102329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50106440 + ... + 56148726.

It is an arithmetic number, because the mean of its divisors is an integer number (21020394877440).

Almost surely, 2^{321012104102321} is an apocalyptic number.

321012104102321 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

321012104102321 is a deficient number, since it is larger than the sum of its proper divisors (15314213936719).

321012104102321 is a wasteful number, since it uses less digits than its factorization.

321012104102321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6067964.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 321012104102321 its reverse (123201401210123), we get a palindrome (444213505312444).

The spelling of 321012104102321 in words is "three hundred twenty-one trillion, twelve billion, one hundred four million, one hundred two thousand, three hundred twenty-one".