100011103 has 4 divisors (see below), whose sum is σ = 100798720. Its totient is φ = 99223488.

The previous prime is 100011091. The next prime is 100011113. The reversal of 100011103 is 301110001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100011103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100011113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393618 + ... + 393871.

It is an arithmetic number, because the mean of its divisors is an integer number (25199680).

Almost surely, 2^100011103 is an apocalyptic number.

100011103 is a deficient number, since it is larger than the sum of its proper divisors (787617).

100011103 is an equidigital number, since it uses as much as digits as its factorization.

100011103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787616.

The product of its (nonzero) digits is 3, while the sum is 7.

The square root of 100011103 is about 10000.5551345913. Note that the first 3 decimals coincide. The cubic root of 100011103 is about 464.1760612458.

Adding to 100011103 its reverse (301110001), we get a palindrome (401121104).

The spelling of 100011103 in words is "one hundred million, eleven thousand, one hundred three".