14124220221 has 4 divisors (see below), whose sum is σ = 18832293632. Its totient is φ = 9416146812.

The previous prime is 14124220207. The next prime is 14124220267. The reversal of 14124220221 is 12202242141.

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 not a de Polignac number, because 14124220221 - 2¹⁹ = 14123695933 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 (14124220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2354036701 + ... + 2354036706.

It is an arithmetic number, because the mean of its divisors is an integer number (4708073408).

Almost surely, 2^14124220221 is an apocalyptic number.

It is an amenable number.

14124220221 is a deficient number, since it is larger than the sum of its proper divisors (4708073411).

14124220221 is an equidigital number, since it uses as much as digits as its factorization.

14124220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4708073410.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 14124220221 its reverse (12202242141), we get a palindrome (26326462362).

The spelling of 14124220221 in words is "fourteen billion, one hundred twenty-four million, two hundred twenty thousand, two hundred twenty-one".