1000111100100 has 144 divisors (see below), whose sum is σ = 3339777657216. Its totient is φ = 226333440000.

The previous prime is 1000111100057. The next prime is 1000111100171. The reversal of 1000111100100 is 10011110001.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2145541 + ... + 2569740.

Almost surely, 2^{1000111100100} is an apocalyptic number.

1000111100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000111100100 is an abundant number, since it is smaller than the sum of its proper divisors (2339666557116).

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

1000111100100 is a wasteful number, since it uses less digits than its factorization.

1000111100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4715406 (or 4715399 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 6.

Adding to 1000111100100 its reverse (10011110001), we get a palindrome (1010122210101).

Subtracting from 1000111100100 its reverse (10011110001), we obtain a palindrome (990099990099).

The spelling of 1000111100100 in words is "one trillion, one hundred eleven million, one hundred thousand, one hundred".