14243210021 has 8 divisors (see below), whose sum is σ = 14285980800. Its totient is φ = 14200485120.

The previous prime is 14243209979. The next prime is 14243210041. The reversal of 14243210021 is 12001234241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14243210021 - 2²² = 14239015717 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14243209975 and 14243210002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14243210041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670085 + ... + 691013.

It is an arithmetic number, because the mean of its divisors is an integer number (1785747600).

Almost surely, 2^14243210021 is an apocalyptic number.

It is an amenable number.

14243210021 is a deficient number, since it is larger than the sum of its proper divisors (42770779).

14243210021 is a wasteful number, since it uses less digits than its factorization.

14243210021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22939.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 14243210021 its reverse (12001234241), we get a palindrome (26244444262).

The spelling of 14243210021 in words is "fourteen billion, two hundred forty-three million, two hundred ten thousand, twenty-one".