111111110011100 has 18 divisors (see below), whose sum is σ = 241111108724304. Its totient is φ = 44444444004400.

The previous prime is 111111110011091. The next prime is 111111110011141. The reversal of 111111110011100 is 1110011111111.

111111110011100 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 555555549956 + ... + 555555550155.

Almost surely, 2^{111111110011100} is an apocalyptic number.

111111110011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111111110011100 is an abundant number, since it is smaller than the sum of its proper divisors (129999998713204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111111110011100 is a wasteful number, since it uses less digits than its factorization.

111111110011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1111111100125 (or 1111111100118 counting only the distinct ones).

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

Adding to 111111110011100 its reverse (1110011111111), we get a palindrome (112221121122211).

The spelling of 111111110011100 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred ten million, eleven thousand, one hundred".