14003666121 has 24 divisors (see below), whose sum is σ = 20081522080. Its totient is φ = 8656163712.

The previous prime is 14003666119. The next prime is 14003666143. The reversal of 14003666121 is 12166630041.

It is not a de Polignac number, because 14003666121 - 2¹ = 14003666119 is a prime.

It is a super-2 number, since 2×14003666121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14003666111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70305 + ... + 181521.

Almost surely, 2^14003666121 is an apocalyptic number.

It is an amenable number.

14003666121 is a deficient number, since it is larger than the sum of its proper divisors (6077855959).

14003666121 is a wasteful number, since it uses less digits than its factorization.

14003666121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111333 (or 111286 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 14003666121 in words is "fourteen billion, three million, six hundred sixty-six thousand, one hundred twenty-one".