14130243221 has 4 divisors (see below), whose sum is σ = 14204223744. Its totient is φ = 14056262700.

The previous prime is 14130243217. The next prime is 14130243317. The reversal of 14130243221 is 12234203141.

14130243221 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: 12234203141 = 7351 ⋅1664291.

It is a cyclic number.

It is not a de Polignac number, because 14130243221 - 2² = 14130243217 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 (14130240221) 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, 36989975 + ... + 36990356.

It is an arithmetic number, because the mean of its divisors is an integer number (3551055936).

Almost surely, 2^14130243221 is an apocalyptic number.

It is an amenable number.

14130243221 is a deficient number, since it is larger than the sum of its proper divisors (73980523).

14130243221 is an equidigital number, since it uses as much as digits as its factorization.

14130243221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73980522.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 14130243221 its reverse (12234203141), we get a palindrome (26364446362).

The spelling of 14130243221 in words is "fourteen billion, one hundred thirty million, two hundred forty-three thousand, two hundred twenty-one".