4401111321 has 16 divisors (see below), whose sum is σ = 6593428800. Its totient is φ = 2901105504.

The previous prime is 4401111289. The next prime is 4401111347. The reversal of 4401111321 is 1231111044.

It is not a de Polignac number, because 4401111321 - 2⁵ = 4401111289 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4401111294 and 4401111303.

It is not an unprimeable number, because it can be changed into a prime (4401111371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 913351 + ... + 918156.

It is an arithmetic number, because the mean of its divisors is an integer number (412089300).

Almost surely, 2^4401111321 is an apocalyptic number.

It is an amenable number.

4401111321 is a deficient number, since it is larger than the sum of its proper divisors (2192317479).

4401111321 is a wasteful number, since it uses less digits than its factorization.

4401111321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831605 (or 1831599 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 4401111321 is about 66340.8721754546. The cubic root of 4401111321 is about 1638.7804885174.

Adding to 4401111321 its reverse (1231111044), we get a palindrome (5632222365).

The spelling of 4401111321 in words is "four billion, four hundred one million, one hundred eleven thousand, three hundred twenty-one".