321002040220401 has 8 divisors (see below), whose sum is σ = 442761434786880. Its totient is φ = 206622002900432.

The previous prime is 321002040220391. The next prime is 321002040220427. The reversal of 321002040220401 is 104022040200123.

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 321002040220401 - 2⁵ = 321002040220369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (321002000220401) 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, 1844839311525 + ... + 1844839311698.

It is an arithmetic number, because the mean of its divisors is an integer number (55345179348360).

Almost surely, 2^{321002040220401} is an apocalyptic number.

It is an amenable number.

321002040220401 is a deficient number, since it is larger than the sum of its proper divisors (121759394566479).

321002040220401 is a wasteful number, since it uses less digits than its factorization.

321002040220401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3689678623255.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 321002040220401 its reverse (104022040200123), we get a palindrome (425024080420524).

The spelling of 321002040220401 in words is "three hundred twenty-one trillion, two billion, forty million, two hundred twenty thousand, four hundred one".