12100111112111 has 32 divisors (see below), whose sum is σ = 14246609529600. Its totient is φ = 10157798304000.

The previous prime is 12100111112087. The next prime is 12100111112137. The reversal of 12100111112111 is 11121111100121.

12100111112111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12100111112111 - 2¹⁰ = 12100111111087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100111112191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8866376 + ... + 10139666.

It is an arithmetic number, because the mean of its divisors is an integer number (445206547800).

Almost surely, 2^{12100111112111} is an apocalyptic number.

12100111112111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12100111112111 is a deficient number, since it is larger than the sum of its proper divisors (2146498417489).

12100111112111 is a wasteful number, since it uses less digits than its factorization.

12100111112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274471.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 12100111112111 its reverse (11121111100121), we get a palindrome (23221222212232).

The spelling of 12100111112111 in words is "twelve trillion, one hundred billion, one hundred eleven million, one hundred twelve thousand, one hundred eleven".