44213121321 has 8 divisors (see below), whose sum is σ = 58951969440. Its totient is φ = 29474843712.

The previous prime is 44213121319. The next prime is 44213121341. The reversal of 44213121321 is 12312131244.

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

It is not a de Polignac number, because 44213121321 - 2¹ = 44213121319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44213121291 and 44213121300.

It is not an unprimeable number, because it can be changed into a prime (44213121341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94545 + ... + 312033.

It is an arithmetic number, because the mean of its divisors is an integer number (7368996180).

Almost surely, 2^44213121321 is an apocalyptic number.

It is an amenable number.

44213121321 is a deficient number, since it is larger than the sum of its proper divisors (14738848119).

44213121321 is a wasteful number, since it uses less digits than its factorization.

44213121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285255.

The product of its digits is 1152, while the sum is 24.

Adding to 44213121321 its reverse (12312131244), we get a palindrome (56525252565).

The spelling of 44213121321 in words is "forty-four billion, two hundred thirteen million, one hundred twenty-one thousand, three hundred twenty-one".