14210204121 has 12 divisors (see below), whose sum is σ = 20552552020. Its totient is φ = 9461145600.

The previous prime is 14210204093. The next prime is 14210204123. The reversal of 14210204121 is 12140201241.

It can be written as a sum of positive squares in 2 ways, for example, as 4222400400 + 9987803721 = 64980^2 + 99939^2 .

It is not a de Polignac number, because 14210204121 - 2⁵ = 14210204089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 14210204094 and 14210204103.

It is not an unprimeable number, because it can be changed into a prime (14210204123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1019680 + ... + 1033521.

Almost surely, 2^14210204121 is an apocalyptic number.

It is an amenable number.

14210204121 is a deficient number, since it is larger than the sum of its proper divisors (6342347899).

14210204121 is a wasteful number, since it uses less digits than its factorization.

14210204121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053976 (or 2053973 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 14210204121 its reverse (12140201241), we get a palindrome (26350405362).

The spelling of 14210204121 in words is "fourteen billion, two hundred ten million, two hundred four thousand, one hundred twenty-one".