111000100018 has 8 divisors (see below), whose sum is σ = 166663548720. Its totient is φ = 55445583780.

The previous prime is 111000099979. The next prime is 111000100019. The reversal of 111000100018 is 810001000111.

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

It is a junction number, because it is equal to n+sod(n) for n = 111000099980 and 111000100007.

It is not an unprimeable number, because it can be changed into a prime (111000100019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27230568 + ... + 27234643.

It is an arithmetic number, because the mean of its divisors is an integer number (20832943590).

Almost surely, 2^111000100018 is an apocalyptic number.

111000100018 is a deficient number, since it is larger than the sum of its proper divisors (55663448702).

111000100018 is a wasteful number, since it uses less digits than its factorization.

111000100018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54466232.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111000100018 its reverse (810001000111), we get a palindrome (921001100129).

The spelling of 111000100018 in words is "one hundred eleven billion, one hundred thousand, eighteen".