14024111021 has 4 divisors (see below), whose sum is σ = 14152772700. Its totient is φ = 13895449344.

The previous prime is 14024110979. The next prime is 14024111039. The reversal of 14024111021 is 12011142041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12011142041 = 23 ⋅522223567.

It can be written as a sum of positive squares in 2 ways, for example, as 6286269796 + 7737841225 = 79286^2 + 87965^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14024111021 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 (14024111041) 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, 64330676 + ... + 64330893.

It is an arithmetic number, because the mean of its divisors is an integer number (3538193175).

Almost surely, 2^14024111021 is an apocalyptic number.

It is an amenable number.

14024111021 is a deficient number, since it is larger than the sum of its proper divisors (128661679).

14024111021 is a wasteful number, since it uses less digits than its factorization.

14024111021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128661678.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 14024111021 its reverse (12011142041), we get a palindrome (26035253062).

The spelling of 14024111021 in words is "fourteen billion, twenty-four million, one hundred eleven thousand, twenty-one".