111000001100 has 72 divisors (see below), whose sum is σ = 247657857216. Its totient is φ = 43156800000.

The previous prime is 111000001081. The next prime is 111000001171. The reversal of 111000001100 is 1100000111.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1061150 + ... + 1161050.

Almost surely, 2^111000001100 is an apocalyptic number.

111000001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111000001100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123828928608).

111000001100 is an abundant number, since it is smaller than the sum of its proper divisors (136657856116).

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

111000001100 is a wasteful number, since it uses less digits than its factorization.

111000001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100227 (or 100220 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 111000001100 its reverse (1100000111), we get a palindrome (112100001211).

The spelling of 111000001100 in words is "one hundred eleven billion, one thousand, one hundred".