321121022020321 has 8 divisors (see below), whose sum is σ = 322028212947840. Its totient is φ = 320213901667968.

The previous prime is 321121022020319. The next prime is 321121022020361. The reversal of 321121022020321 is 123020220121123.

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

It is a cyclic number.

It is not a de Polignac number, because 321121022020321 - 2¹ = 321121022020319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321121022020292 and 321121022020301.

It is not an unprimeable number, because it can be changed into a prime (321121022020361) 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, 8524176 + ... + 26737681.

It is an arithmetic number, because the mean of its divisors is an integer number (40253526618480).

Almost surely, 2^{321121022020321} is an apocalyptic number.

It is an amenable number.

321121022020321 is a deficient number, since it is larger than the sum of its proper divisors (907190927519).

321121022020321 is a wasteful number, since it uses less digits than its factorization.

321121022020321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35287583.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 321121022020321 its reverse (123020220121123), we get a palindrome (444141242141444).

The spelling of 321121022020321 in words is "three hundred twenty-one trillion, one hundred twenty-one billion, twenty-two million, twenty thousand, three hundred twenty-one".