13344041221 has 8 divisors (see below), whose sum is σ = 16052982080. Its totient is φ = 10835762688.

The previous prime is 13344041213. The next prime is 13344041299. The reversal of 13344041221 is 12214044331.

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 13344041221 - 2³ = 13344041213 is a prime.

It is a super-2 number, since 2×13344041221² (a number of 21 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 (13344041621) 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, 50165436 + ... + 50165701.

It is an arithmetic number, because the mean of its divisors is an integer number (2006622760).

Almost surely, 2^13344041221 is an apocalyptic number.

It is an amenable number.

13344041221 is a deficient number, since it is larger than the sum of its proper divisors (2708940859).

13344041221 is a wasteful number, since it uses less digits than its factorization.

13344041221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100331163.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13344041221 its reverse (12214044331), we get a palindrome (25558085552).

The spelling of 13344041221 in words is "thirteen billion, three hundred forty-four million, forty-one thousand, two hundred twenty-one".