321222020413401 has 10 divisors (see below), whose sum is σ = 479850178642362. Its totient is φ = 214148013608880.

The previous prime is 321222020413391. The next prime is 321222020413439. The reversal of 321222020413401 is 104314020222123.

321222020413401 is a `hidden beast` number, since 3 + 2 + 1 + 2 + 2 + 202 + 0 + 413 + 40 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 226018600227225 + 95203420186176 = 15033915^2 + 9757224^2 .

It is not a de Polignac number, because 321222020413401 - 2⁴⁵ = 286037648324569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (321222020413471) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1982851977780 + ... + 1982851977941.

Almost surely, 2^{321222020413401} is an apocalyptic number.

It is an amenable number.

321222020413401 is a deficient number, since it is larger than the sum of its proper divisors (158628158228961).

321222020413401 is an equidigital number, since it uses as much as digits as its factorization.

321222020413401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3965703955733 (or 3965703955724 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 321222020413401 its reverse (104314020222123), we get a palindrome (425536040635524).

The spelling of 321222020413401 in words is "three hundred twenty-one trillion, two hundred twenty-two billion, twenty million, four hundred thirteen thousand, four hundred one".