441112441021 has 4 divisors (see below), whose sum is σ = 504128504032. Its totient is φ = 378096378012.

The previous prime is 441112441001. The next prime is 441112441087. The reversal of 441112441021 is 120144211144.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 441112441021 - 2³¹ = 438964957373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441112441001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31508031495 + ... + 31508031508.

It is an arithmetic number, because the mean of its divisors is an integer number (126032126008).

Almost surely, 2^441112441021 is an apocalyptic number.

It is an amenable number.

441112441021 is a deficient number, since it is larger than the sum of its proper divisors (63016063011).

441112441021 is an equidigital number, since it uses as much as digits as its factorization.

441112441021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63016063010.

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 441112441021 its reverse (120144211144), we get a palindrome (561256652165).

The spelling of 441112441021 in words is "four hundred forty-one billion, one hundred twelve million, four hundred forty-one thousand, twenty-one".