14201205121 has 4 divisors (see below), whose sum is σ = 14659308544. Its totient is φ = 13743101700.

The previous prime is 14201205107. The next prime is 14201205127. The reversal of 14201205121 is 12150210241.

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: 12150210241 = 13 ⋅934631557.

It is a cyclic number.

It is not a de Polignac number, because 14201205121 - 2¹¹ = 14201203073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14201205127) 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, 229051665 + ... + 229051726.

It is an arithmetic number, because the mean of its divisors is an integer number (3664827136).

Almost surely, 2^14201205121 is an apocalyptic number.

It is an amenable number.

14201205121 is a deficient number, since it is larger than the sum of its proper divisors (458103423).

14201205121 is an equidigital number, since it uses as much as digits as its factorization.

14201205121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458103422.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 14201205121 its reverse (12150210241), we get a palindrome (26351415362).

It can be divided in two parts, 1420120 and 5121, that added together give a palindrome (1425241).

The spelling of 14201205121 in words is "fourteen billion, two hundred one million, two hundred five thousand, one hundred twenty-one".