100000111000 has 64 divisors (see below), whose sum is σ = 234502426080. Its totient is φ = 39914204800.

The previous prime is 100000110983. The next prime is 100000111033. The reversal of 100000111000 is 111000001.

It is a Harshad number since it is a multiple of its sum of digits (4).

100000111000 is a modest number, since divided by 111000 gives 100000 as remainder.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 359934 + ... + 574066.

Almost surely, 2^100000111000 is an apocalyptic number.

100000111000 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 100000111000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117251213040).

100000111000 is an abundant number, since it is smaller than the sum of its proper divisors (134502315080).

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

100000111000 is a wasteful number, since it uses less digits than its factorization.

100000111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214621 (or 214607 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 4.

Adding to 100000111000 its reverse (111000001), we get a palindrome (100111111001).

The spelling of 100000111000 in words is "one hundred billion, one hundred eleven thousand".