14421250121 has 4 divisors (see below), whose sum is σ = 14422052244. Its totient is φ = 14420448000.

The previous prime is 14421250061. The next prime is 14421250133. The reversal of 14421250121 is 12105212441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8146867600 + 6274382521 = 90260^2 + 79211^2 .

It is a cyclic number.

It is not a de Polignac number, because 14421250121 - 2³⁰ = 13347508297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14421250141) 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, 373460 + ... + 410261.

It is an arithmetic number, because the mean of its divisors is an integer number (3605513061).

Almost surely, 2^14421250121 is an apocalyptic number.

It is an amenable number.

14421250121 is a deficient number, since it is larger than the sum of its proper divisors (802123).

14421250121 is an equidigital number, since it uses as much as digits as its factorization.

14421250121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802122.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 14421250121 its reverse (12105212441), we get a palindrome (26526462562).

The spelling of 14421250121 in words is "fourteen billion, four hundred twenty-one million, two hundred fifty thousand, one hundred twenty-one".