444331231121 has 4 divisors (see below), whose sum is σ = 444591227700. Its totient is φ = 444071234544.

The previous prime is 444331231103. The next prime is 444331231153. The reversal of 444331231121 is 121132133444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 218074990225 + 226256240896 = 466985^2 + 475664^2 .

It is a cyclic number.

It is not a de Polignac number, because 444331231121 - 2²⁶ = 444264122257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444331231171) 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 3 ways as a sum of consecutive naturals, for example, 129995726 + ... + 129999143.

It is an arithmetic number, because the mean of its divisors is an integer number (111147806925).

Almost surely, 2^444331231121 is an apocalyptic number.

It is an amenable number.

444331231121 is a deficient number, since it is larger than the sum of its proper divisors (259996579).

444331231121 is a wasteful number, since it uses less digits than its factorization.

444331231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259996578.

The product of its digits is 6912, while the sum is 29.

Adding to 444331231121 its reverse (121132133444), we get a palindrome (565463364565).

The spelling of 444331231121 in words is "four hundred forty-four billion, three hundred thirty-one million, two hundred thirty-one thousand, one hundred twenty-one".