13324440121 has 8 divisors (see below), whose sum is σ = 13677946880. Its totient is φ = 12975554592.

The previous prime is 13324440113. The next prime is 13324440187. The reversal of 13324440121 is 12104442331.

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 13324440121 - 2³ = 13324440113 is a prime.

It is a super-2 number, since 2×13324440121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13324420121) 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, 1149465 + ... + 1160998.

It is an arithmetic number, because the mean of its divisors is an integer number (1709743360).

Almost surely, 2^13324440121 is an apocalyptic number.

It is an amenable number.

13324440121 is a deficient number, since it is larger than the sum of its proper divisors (353506759).

13324440121 is an equidigital number, since it uses as much as digits as its factorization.

13324440121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310615.

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

Adding to 13324440121 its reverse (12104442331), we get a palindrome (25428882452).

The spelling of 13324440121 in words is "thirteen billion, three hundred twenty-four million, four hundred forty thousand, one hundred twenty-one".