14122141221 has 4 divisors (see below), whose sum is σ = 18829521632. Its totient is φ = 9414760812.

The previous prime is 14122141211. The next prime is 14122141273. The reversal of 14122141221 is 12214122141.

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 14122141221 - 2⁹ = 14122140709 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 (14122141211) 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, 2353690201 + ... + 2353690206.

It is an arithmetic number, because the mean of its divisors is an integer number (4707380408).

Almost surely, 2^14122141221 is an apocalyptic number.

It is an amenable number.

14122141221 is a deficient number, since it is larger than the sum of its proper divisors (4707380411).

14122141221 is an equidigital number, since it uses as much as digits as its factorization.

14122141221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4707380410.

The product of its digits is 256, while the sum is 21.

Adding to 14122141221 its reverse (12214122141), we get a palindrome (26336263362).

The spelling of 14122141221 in words is "fourteen billion, one hundred twenty-two million, one hundred forty-one thousand, two hundred twenty-one".