111111100000100 has 36 divisors (see below), whose sum is σ = 241138672822068. Its totient is φ = 44439355056000.

The previous prime is 111111100000099. The next prime is 111111100000123. The reversal of 111111100000100 is 1000001111111.

It can be written as a sum of positive squares in 6 ways, for example, as 27494669783296 + 83616430216804 = 5243536^2 + 9144202^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62683331 + ... + 64431530.

Almost surely, 2^{111111100000100} is an apocalyptic number.

111111100000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111111100000100 is an abundant number, since it is smaller than the sum of its proper divisors (130027572821968).

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

111111100000100 is a wasteful number, since it uses less digits than its factorization.

111111100000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127123616 (or 127123609 counting only the distinct ones).

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

Adding to 111111100000100 its reverse (1000001111111), we get a palindrome (112111101111211).

The spelling of 111111100000100 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred million, one hundred", and thus it is an aban number.