14420221121 has 4 divisors (see below), whose sum is σ = 14437009200. Its totient is φ = 14403433044.

The previous prime is 14420221073. The next prime is 14420221169. The reversal of 14420221121 is 12112202441.

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: 12112202441 = 19 ⋅637484339.

It is an interprime number because it is at equal distance from previous prime (14420221073) and next prime (14420221169).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14420221121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 14420221093 and 14420221102.

It is not an unprimeable number, because it can be changed into a prime (14420221181) 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, 8392751 + ... + 8394468.

It is an arithmetic number, because the mean of its divisors is an integer number (3609252300).

Almost surely, 2^14420221121 is an apocalyptic number.

It is an amenable number.

14420221121 is a deficient number, since it is larger than the sum of its proper divisors (16788079).

14420221121 is an equidigital number, since it uses as much as digits as its factorization.

14420221121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16788078.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 14420221121 its reverse (12112202441), we get a palindrome (26532423562).

The spelling of 14420221121 in words is "fourteen billion, four hundred twenty million, two hundred twenty-one thousand, one hundred twenty-one".