12111110300111 has 4 divisors (see below), whose sum is σ = 12123430860912. Its totient is φ = 12098789739312.

The previous prime is 12111110300101. The next prime is 12111110300117. The reversal of 12111110300111 is 11100301111121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12111110300111 - 2³⁴ = 12093930430927 is a prime.

It is a super-2 number, since 2×12111110300111² (a number of 27 digits) contains 22 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 (12111110300117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6160278926 + ... + 6160280891.

It is an arithmetic number, because the mean of its divisors is an integer number (3030857715228).

Almost surely, 2^{12111110300111} is an apocalyptic number.

12111110300111 is a deficient number, since it is larger than the sum of its proper divisors (12320560801).

12111110300111 is an equidigital number, since it uses as much as digits as its factorization.

12111110300111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12320560800.

The product of its (nonzero) digits is 6, while the sum is 14.

Adding to 12111110300111 its reverse (11100301111121), we get a palindrome (23211411411232).

The spelling of 12111110300111 in words is "twelve trillion, one hundred eleven billion, one hundred ten million, three hundred thousand, one hundred eleven".