13411501221 has 4 divisors (see below), whose sum is σ = 17882001632. Its totient is φ = 8941000812.

The previous prime is 13411501189. The next prime is 13411501223. The reversal of 13411501221 is 12210511431.

13411501221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12210511431 = 3 ⋅4070170477.

It is not a de Polignac number, because 13411501221 - 2⁵ = 13411501189 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 (13411501223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2235250201 + ... + 2235250206.

It is an arithmetic number, because the mean of its divisors is an integer number (4470500408).

Almost surely, 2^13411501221 is an apocalyptic number.

It is an amenable number.

13411501221 is a deficient number, since it is larger than the sum of its proper divisors (4470500411).

13411501221 is an equidigital number, since it uses as much as digits as its factorization.

13411501221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470500410.

The product of its (nonzero) digits is 240, while the sum is 21.

The spelling of 13411501221 in words is "thirteen billion, four hundred eleven million, five hundred one thousand, two hundred twenty-one".