14043142121 has 4 divisors (see below), whose sum is σ = 14048180100. Its totient is φ = 14038104144.

The previous prime is 14043142109. The next prime is 14043142151. The reversal of 14043142121 is 12124134041.

14043142121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9495528025 + 4547614096 = 97445^2 + 67436^2 .

It is a cyclic number.

It is not a de Polignac number, because 14043142121 - 2¹⁰ = 14043141097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14043142151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2514806 + ... + 2520383.

It is an arithmetic number, because the mean of its divisors is an integer number (3512045025).

Almost surely, 2^14043142121 is an apocalyptic number.

It is an amenable number.

14043142121 is a deficient number, since it is larger than the sum of its proper divisors (5037979).

14043142121 is an equidigital number, since it uses as much as digits as its factorization.

14043142121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5037978.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 14043142121 its reverse (12124134041), we get a palindrome (26167276162).

The spelling of 14043142121 in words is "fourteen billion, forty-three million, one hundred forty-two thousand, one hundred twenty-one".