4404131100021 has 8 divisors (see below), whose sum is σ = 5872193880480. Its totient is φ = 2936077859792.

The previous prime is 4404131100013. The next prime is 4404131100037. The reversal of 4404131100021 is 1200011314044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4404131100021 - 2³ = 4404131100013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4404131100011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1227666 + ... + 3211763.

It is an arithmetic number, because the mean of its divisors is an integer number (734024235060).

Almost surely, 2^{4404131100021} is an apocalyptic number.

It is an amenable number.

4404131100021 is a deficient number, since it is larger than the sum of its proper divisors (1468062780459).

4404131100021 is a wasteful number, since it uses less digits than its factorization.

4404131100021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4770115.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 4404131100021 its reverse (1200011314044), we get a palindrome (5604142414065).

The spelling of 4404131100021 in words is "four trillion, four hundred four billion, one hundred thirty-one million, one hundred thousand, twenty-one".