111120002001100 has 36 divisors (see below), whose sum is σ = 241219088420800. Its totient is φ = 44431653504960.

The previous prime is 111120002001061. The next prime is 111120002001143. The reversal of 111120002001100 is 1100200021111.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 204067935 + ... + 204611734.

Almost surely, 2^{111120002001100} is an apocalyptic number.

111120002001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111120002001100 is an abundant number, since it is smaller than the sum of its proper divisors (130099086419700).

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

111120002001100 is a wasteful number, since it uses less digits than its factorization.

111120002001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408682402 (or 408682395 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 111120002001100 its reverse (1100200021111), we get a palindrome (112220202022211).

The spelling of 111120002001100 in words is "one hundred eleven trillion, one hundred twenty billion, two million, one thousand, one hundred".