14051001021 has 4 divisors (see below), whose sum is σ = 18734668032. Its totient is φ = 9367334012.

The previous prime is 14051000989. The next prime is 14051001059. The reversal of 14051001021 is 12010015041.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 14051001021 - 2⁵ = 14051000989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14051001071) 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, 2341833501 + ... + 2341833506.

It is an arithmetic number, because the mean of its divisors is an integer number (4683667008).

Almost surely, 2^14051001021 is an apocalyptic number.

It is an amenable number.

14051001021 is a deficient number, since it is larger than the sum of its proper divisors (4683667011).

14051001021 is an equidigital number, since it uses as much as digits as its factorization.

14051001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4683667010.

The product of its (nonzero) digits is 40, while the sum is 15.

Adding to 14051001021 its reverse (12010015041), we get a palindrome (26061016062).

The spelling of 14051001021 in words is "fourteen billion, fifty-one million, one thousand, twenty-one".