111123102112011 has 40 divisors (see below), whose sum is σ = 183570177924144. Its totient is φ = 66424768346880.

The previous prime is 111123102112007. The next prime is 111123102112013. The reversal of 111123102112011 is 110211201321111.

111123102112011 is a `hidden beast` number, since 1 + 1 + 112 + 310 + 211 + 20 + 11 = 666.

It is not a de Polignac number, because 111123102112011 - 2² = 111123102112007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111123102112013) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 854162946 + ... + 854293031.

Almost surely, 2^{111123102112011} is an apocalyptic number.

111123102112011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111123102112011 is a deficient number, since it is larger than the sum of its proper divisors (72447075812133).

111123102112011 is a wasteful number, since it uses less digits than its factorization.

111123102112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708456073 (or 1708456064 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 18.

Adding to 111123102112011 its reverse (110211201321111), we get a palindrome (221334303433122).

The spelling of 111123102112011 in words is "one hundred eleven trillion, one hundred twenty-three billion, one hundred two million, one hundred twelve thousand, eleven".