5442531512221 has 8 divisors (see below), whose sum is σ = 5767430076000. Its totient is φ = 5121477902160.

The previous prime is 5442531512191. The next prime is 5442531512251. The reversal of 5442531512221 is 1222151352445.

It is an interprime number because it is at equal distance from previous prime (5442531512191) and next prime (5442531512251).

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 5442531512221 - 2⁹ = 5442531511709 is a prime.

It is a super-2 number, since 2×5442531512221² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5442531512251) 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, 961235515 + ... + 961241176.

It is an arithmetic number, because the mean of its divisors is an integer number (720928759500).

Almost surely, 2^{5442531512221} is an apocalyptic number.

It is an amenable number.

5442531512221 is a deficient number, since it is larger than the sum of its proper divisors (324898563779).

5442531512221 is a wasteful number, since it uses less digits than its factorization.

5442531512221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922476859.

The product of its digits is 96000, while the sum is 37.

Adding to 5442531512221 its reverse (1222151352445), we get a palindrome (6664682864666).

The spelling of 5442531512221 in words is "five trillion, four hundred forty-two billion, five hundred thirty-one million, five hundred twelve thousand, two hundred twenty-one".