1111000100111 has 4 divisors (see below), whose sum is σ = 1212000109224. Its totient is φ = 1010000091000.

The previous prime is 1111000100087. The next prime is 1111000100227. The reversal of 1111000100111 is 1110010001111.

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 1111000100111 - 2¹⁸ = 1110999837967 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 (1111000100911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50500004540 + ... + 50500004561.

It is an arithmetic number, because the mean of its divisors is an integer number (303000027306).

Almost surely, 2^{1111000100111} is an apocalyptic number.

1111000100111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1111000100111 is a deficient number, since it is larger than the sum of its proper divisors (101000009113).

1111000100111 is a wasteful number, since it uses less digits than its factorization.

1111000100111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101000009112.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 1111000100111 its reverse (1110010001111), we get a palindrome (2221010101222).

The spelling of 1111000100111 in words is "one trillion, one hundred eleven billion, one hundred thousand, one hundred eleven".