12100111110111 has 16 divisors (see below), whose sum is σ = 16583069965824. Its totient is φ = 7842303035424.

The previous prime is 12100111110047. The next prime is 12100111110119. The reversal of 12100111110111 is 11101111100121.

It is not a de Polignac number, because 12100111110111 - 2⁶ = 12100111110047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12100111110119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44430891 + ... + 44702396.

It is an arithmetic number, because the mean of its divisors is an integer number (1036441872864).

Almost surely, 2^{12100111110111} is an apocalyptic number.

12100111110111 is a deficient number, since it is larger than the sum of its proper divisors (4482958855713).

12100111110111 is a wasteful number, since it uses less digits than its factorization.

12100111110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89134550.

The product of its (nonzero) digits is 2, while the sum is 12.

Adding to 12100111110111 its reverse (11101111100121), we get a palindrome (23201222210232).

The spelling of 12100111110111 in words is "twelve trillion, one hundred billion, one hundred eleven million, one hundred ten thousand, one hundred eleven".