321022220123 has 16 divisors (see below), whose sum is σ = 353717356032. Its totient is φ = 288913020000.

The previous prime is 321022220089. The next prime is 321022220143.

It is a happy number.

321022220123 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 321022220123 - 2⁶ = 321022220059 is a prime.

It is a super-2 number, since 2×321022220123² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321022220095 and 321022220104.

It is not an unprimeable number, because it can be changed into a prime (321022220143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13554590 + ... + 13578252.

It is an arithmetic number, because the mean of its divisors is an integer number (22107334752).

Almost surely, 2^321022220123 is an apocalyptic number.

321022220123 is a deficient number, since it is larger than the sum of its proper divisors (32695135909).

321022220123 is a wasteful number, since it uses less digits than its factorization.

321022220123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35986.

The product of its (nonzero) digits is 576, while the sum is 20.

It can be divided in two parts, 321022 and 220123, that added together give a palindrome (541145).

The spelling of 321022220123 in words is "three hundred twenty-one billion, twenty-two million, two hundred twenty thousand, one hundred twenty-three".