14203554121 has 16 divisors (see below), whose sum is σ = 14449954176. Its totient is φ = 13959553536.

The previous prime is 14203554107. The next prime is 14203554133. The reversal of 14203554121 is 12145530241.

It is a cyclic number.

It is not a de Polignac number, because 14203554121 - 2⁷ = 14203553993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14203554121.

It is not an unprimeable number, because it can be changed into a prime (14203558121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14245795 + ... + 14246791.

It is an arithmetic number, because the mean of its divisors is an integer number (903122136).

Almost surely, 2^14203554121 is an apocalyptic number.

It is an amenable number.

14203554121 is a deficient number, since it is larger than the sum of its proper divisors (246400055).

14203554121 is an equidigital number, since it uses as much as digits as its factorization.

14203554121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968.

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 14203554121 in words is "fourteen billion, two hundred three million, five hundred fifty-four thousand, one hundred twenty-one".