13221521033241 has 8 divisors (see below), whose sum is σ = 17628711553024. Its totient is φ = 8814338934480.

The previous prime is 13221521033219. The next prime is 13221521033249. The reversal of 13221521033241 is 14233012512231.

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

It is not a de Polignac number, because 13221521033241 - 2¹³ = 13221521025049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13221521033199 and 13221521033208.

It is not an unprimeable number, because it can be changed into a prime (13221521033249) 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, 4710615 + ... + 6973731.

It is an arithmetic number, because the mean of its divisors is an integer number (2203588944128).

Almost surely, 2^{13221521033241} is an apocalyptic number.

It is an amenable number.

13221521033241 is a deficient number, since it is larger than the sum of its proper divisors (4407190519783).

13221521033241 is a wasteful number, since it uses less digits than its factorization.

13221521033241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4210511.

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 13221521033241 its reverse (14233012512231), we get a palindrome (27454533545472).

The spelling of 13221521033241 in words is "thirteen trillion, two hundred twenty-one billion, five hundred twenty-one million, thirty-three thousand, two hundred forty-one".