12114123111 has 12 divisors (see below), whose sum is σ = 17570787520. Its totient is φ = 8042569920.

The previous prime is 12114123101. The next prime is 12114123137. The reversal of 12114123111 is 11132141121.

12114123111 is a `hidden beast` number, since 1 + 211 + 412 + 31 + 11 = 666.

It is not a de Polignac number, because 12114123111 - 2⁵ = 12114123079 is a prime.

It is a super-3 number, since 3×12114123111³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12114123101) 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, 2790391 + ... + 2794728.

Almost surely, 2^12114123111 is an apocalyptic number.

12114123111 is a deficient number, since it is larger than the sum of its proper divisors (5456664409).

12114123111 is a wasteful number, since it uses less digits than its factorization.

12114123111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5585366 (or 5585363 counting only the distinct ones).

The product of its digits is 48, while the sum is 18.

Adding to 12114123111 its reverse (11132141121), we get a palindrome (23246264232).

The spelling of 12114123111 in words is "twelve billion, one hundred fourteen million, one hundred twenty-three thousand, one hundred eleven".