321223111132 has 24 divisors (see below), whose sum is σ = 700850424960. Its totient is φ = 125151861360.

The previous prime is 321223111123. The next prime is 321223111147. The reversal of 321223111132 is 231111322123.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521465782 + ... + 521466397.

It is an arithmetic number, because the mean of its divisors is an integer number (29202101040).

Almost surely, 2^321223111132 is an apocalyptic number.

It is an amenable number.

321223111132 is an abundant number, since it is smaller than the sum of its proper divisors (379627313828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321223111132 is a wasteful number, since it uses less digits than its factorization.

321223111132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042932201 (or 1042932199 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

Adding to 321223111132 its reverse (231111322123), we get a palindrome (552334433255).

The spelling of 321223111132 in words is "three hundred twenty-one billion, two hundred twenty-three million, one hundred eleven thousand, one hundred thirty-two".