14140111121 has 4 divisors (see below), whose sum is σ = 14151168000. Its totient is φ = 14129054244.

The previous prime is 14140111109. The next prime is 14140111147. The reversal of 14140111121 is 12111104141.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12111104141 = 89819 ⋅134839.

It is a cyclic number.

It is not a de Polignac number, because 14140111121 - 2²⁶ = 14073002257 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 14140111121.

It is not an unprimeable number, because it can be changed into a prime (14140110121) 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, 5526521 + ... + 5529078.

It is an arithmetic number, because the mean of its divisors is an integer number (3537792000).

Almost surely, 2^14140111121 is an apocalyptic number.

It is an amenable number.

14140111121 is a deficient number, since it is larger than the sum of its proper divisors (11056879).

14140111121 is a wasteful number, since it uses less digits than its factorization.

14140111121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11056878.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 14140111121 its reverse (12111104141), we get a palindrome (26251215262).

The spelling of 14140111121 in words is "fourteen billion, one hundred forty million, one hundred eleven thousand, one hundred twenty-one".