321111424244 has 48 divisors (see below), whose sum is σ = 639829377600. Its totient is φ = 139786373376.

The previous prime is 321111424243. The next prime is 321111424247. The reversal of 321111424244 is 442424111123.

It is a super-2 number, since 2×321111424244² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321111424243) 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, 491609 + ... + 940160.

It is an arithmetic number, because the mean of its divisors is an integer number (13329778700).

Almost surely, 2^321111424244 is an apocalyptic number.

It is an amenable number.

321111424244 is a deficient number, since it is larger than the sum of its proper divisors (318717953356).

321111424244 is a wasteful number, since it uses less digits than its factorization.

321111424244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1432032 (or 1432030 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

Adding to 321111424244 its reverse (442424111123), we get a palindrome (763535535367).

The spelling of 321111424244 in words is "three hundred twenty-one billion, one hundred eleven million, four hundred twenty-four thousand, two hundred forty-four".