321442221123 has 10 divisors (see below), whose sum is σ = 480179120564. Its totient is φ = 214294814028.

The previous prime is 321442221119. The next prime is 321442221137. The reversal of 321442221123 is 321122244123.

321442221123 is a `hidden beast` number, since 3 + 2 + 1 + 4 + 422 + 211 + 23 = 666.

It is not a de Polignac number, because 321442221123 - 2² = 321442221119 is a prime.

It is a super-2 number, since 2×321442221123² (a number of 24 digits) contains 22 as substring.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321442221143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1984211161 + ... + 1984211322.

Almost surely, 2^321442221123 is an apocalyptic number.

321442221123 is a deficient number, since it is larger than the sum of its proper divisors (158736899441).

321442221123 is an equidigital number, since it uses as much as digits as its factorization.

321442221123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3968422495 (or 3968422486 counting only the distinct ones).

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

Adding to 321442221123 its reverse (321122244123), we get a palindrome (642564465246).

The spelling of 321442221123 in words is "three hundred twenty-one billion, four hundred forty-two million, two hundred twenty-one thousand, one hundred twenty-three".