13141451221 has 4 divisors (see below), whose sum is σ = 13337592352. Its totient is φ = 12945310092.

The previous prime is 13141451201. The next prime is 13141451233. The reversal of 13141451221 is 12215414131.

It is a happy number.

13141451221 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: 12215414131 = 1811 ⋅6745121.

It is a cyclic number.

It is not a de Polignac number, because 13141451221 - 2⁷ = 13141451093 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 (13141451201) 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, 98070465 + ... + 98070598.

It is an arithmetic number, because the mean of its divisors is an integer number (3334398088).

Almost surely, 2^13141451221 is an apocalyptic number.

It is an amenable number.

13141451221 is a deficient number, since it is larger than the sum of its proper divisors (196141131).

13141451221 is an equidigital number, since it uses as much as digits as its factorization.

13141451221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196141130.

The product of its digits is 960, while the sum is 25.

Adding to 13141451221 its reverse (12215414131), we get a palindrome (25356865352).

The spelling of 13141451221 in words is "thirteen billion, one hundred forty-one million, four hundred fifty-one thousand, two hundred twenty-one".