13301240221 has 4 divisors (see below), whose sum is σ = 13302084352. Its totient is φ = 13300396092.

The previous prime is 13301240219. The next prime is 13301240257. The reversal of 13301240221 is 12204210331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13301240221 - 2¹ = 13301240219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13301240201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 397971 + ... + 430096.

It is an arithmetic number, because the mean of its divisors is an integer number (3325521088).

Almost surely, 2^13301240221 is an apocalyptic number.

It is an amenable number.

13301240221 is a deficient number, since it is larger than the sum of its proper divisors (844131).

13301240221 is an equidigital number, since it uses as much as digits as its factorization.

13301240221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844130.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13301240221 its reverse (12204210331), we get a palindrome (25505450552).

The spelling of 13301240221 in words is "thirteen billion, three hundred one million, two hundred forty thousand, two hundred twenty-one".