321222020027 has 2 divisors, whose sum is σ = 321222020028. Its totient is φ = 321222020026.

The previous prime is 321222020017. The next prime is 321222020051. The reversal of 321222020027 is 720020222123.

It is a weak prime.

It is an emirp because it is prime and its reverse (720020222123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 321222020027 - 2⁸ = 321222019771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 321222019984 and 321222020011.

It is not a weakly prime, because it can be changed into another prime (321222020017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160611010013 + 160611010014.

It is an arithmetic number, because the mean of its divisors is an integer number (160611010014).

Almost surely, 2^321222020027 is an apocalyptic number.

321222020027 is a deficient number, since it is larger than the sum of its proper divisors (1).

321222020027 is an equidigital number, since it uses as much as digits as its factorization.

321222020027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

The spelling of 321222020027 in words is "three hundred twenty-one billion, two hundred twenty-two million, twenty thousand, twenty-seven".