44231000121021 has 8 divisors (see below), whose sum is σ = 67399619232064. Its totient is φ = 25274857212000.

The previous prime is 44231000121019. The next prime is 44231000121043. The reversal of 44231000121021 is 12012100013244.

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

It is not a de Polignac number, because 44231000121021 - 2¹ = 44231000121019 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 2106238101001 = 44231000121021 / (4 + 4 + 2 + 3 + 1 + 0 + 0 + 0 + 1 + 2 + 1 + 0 + 2 + 1).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44231000121001) 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, 1053119050480 + ... + 1053119050521.

It is an arithmetic number, because the mean of its divisors is an integer number (8424952404008).

Almost surely, 2^{44231000121021} is an apocalyptic number.

It is an amenable number.

44231000121021 is a deficient number, since it is larger than the sum of its proper divisors (23168619111043).

44231000121021 is a wasteful number, since it uses less digits than its factorization.

44231000121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106238101011.

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

Adding to 44231000121021 its reverse (12012100013244), we get a palindrome (56243100134265).

The spelling of 44231000121021 in words is "forty-four trillion, two hundred thirty-one billion, one hundred twenty-one thousand, twenty-one".