111000101111111 has 8 divisors (see below), whose sum is σ = 115826844945024. Its totient is φ = 106173411650680.

The previous prime is 111000101111101. The next prime is 111000101111113. The reversal of 111000101111111 is 111111101000111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111000101111111 - 2³⁰ = 110999027369287 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111000101111092 and 111000101111101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111000101111113) 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 7 ways as a sum of consecutive naturals, for example, 9394121 + ... + 17613906.

It is an arithmetic number, because the mean of its divisors is an integer number (14478355618128).

Almost surely, 2^{111000101111111} is an apocalyptic number.

111000101111111 is a deficient number, since it is larger than the sum of its proper divisors (4826743833913).

111000101111111 is a wasteful number, since it uses less digits than its factorization.

111000101111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27186741.

The product of its (nonzero) digits is 1, while the sum is 11.

Adding to 111000101111111 its reverse (111111101000111), we get a palindrome (222111202111222).

The spelling of 111000101111111 in words is "one hundred eleven trillion, one hundred one million, one hundred eleven thousand, one hundred eleven".