12111124111110 has 24 divisors (see below), whose sum is σ = 31488922689120. Its totient is φ = 3229633096272.

The previous prime is 12111124111013. The next prime is 12111124111111. The reversal of 12111124111110 is 1111142111121.

12111124111110 is a `hidden beast` number, since 121 + 1 + 112 + 411 + 11 + 10 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111124111111) 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 11 ways as a sum of consecutive naturals, for example, 67284022750 + ... + 67284022929.

It is an arithmetic number, because the mean of its divisors is an integer number (1312038445380).

Almost surely, 2^{12111124111110} is an apocalyptic number.

12111124111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12111124111110 is an abundant number, since it is smaller than the sum of its proper divisors (19377798578010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12111124111110 is a wasteful number, since it uses less digits than its factorization.

12111124111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134568045692 (or 134568045689 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 18.

Adding to 12111124111110 its reverse (1111142111121), we get a palindrome (13222266222231).

The spelling of 12111124111110 in words is "twelve trillion, one hundred eleven billion, one hundred twenty-four million, one hundred eleven thousand, one hundred ten".