13221124433331 has 8 divisors (see below), whose sum is σ = 17628202059984. Its totient is φ = 8814064881120.

The previous prime is 13221124433317. The next prime is 13221124433381. The reversal of 13221124433331 is 13333442112231.

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

It is not a de Polignac number, because 13221124433331 - 2¹³ = 13221124425139 is a prime.

It is a super-2 number, since 2×13221124433331² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13221124433292 and 13221124433301.

It is not an unprimeable number, because it can be changed into a prime (13221124433381) 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, 2708196 + ... + 5811761.

It is an arithmetic number, because the mean of its divisors is an integer number (2203525257498).

Almost surely, 2^{13221124433331} is an apocalyptic number.

13221124433331 is a deficient number, since it is larger than the sum of its proper divisors (4407077626653).

13221124433331 is an equidigital number, since it uses as much as digits as its factorization.

13221124433331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9037221.

The product of its digits is 31104, while the sum is 33.

Adding to 13221124433331 its reverse (13333442112231), we get a palindrome (26554566545562).

The spelling of 13221124433331 in words is "thirteen trillion, two hundred twenty-one billion, one hundred twenty-four million, four hundred thirty-three thousand, three hundred thirty-one".