4403404032121 has 16 divisors (see below), whose sum is σ = 4568901552000. Its totient is φ = 4238831500288.

The previous prime is 4403404032091. The next prime is 4403404032163. The reversal of 4403404032121 is 1212304043044.

It is a cyclic number.

It is not a de Polignac number, because 4403404032121 - 2⁵ = 4403404032089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4403404032121.

It is not an unprimeable number, because it can be changed into a prime (4403404036121) 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 15 ways as a sum of consecutive naturals, for example, 16889076 + ... + 17147818.

It is an arithmetic number, because the mean of its divisors is an integer number (285556347000).

Almost surely, 2^{4403404032121} is an apocalyptic number.

It is an amenable number.

4403404032121 is a deficient number, since it is larger than the sum of its proper divisors (165497519879).

4403404032121 is a wasteful number, since it uses less digits than its factorization.

4403404032121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260528.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 4403404032121 its reverse (1212304043044), we get a palindrome (5615708075165).

The spelling of 4403404032121 in words is "four trillion, four hundred three billion, four hundred four million, thirty-two thousand, one hundred twenty-one".