100011000103 has 4 divisors (see below), whose sum is σ = 114298285840. Its totient is φ = 85723714368.

The previous prime is 100011000097. The next prime is 100011000113. The reversal of 100011000103 is 301000110001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 100011000103 - 2⁵ = 100011000071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7), and also a Moran number because the ratio is a prime number: 14287285729 = 100011000103 / (1 + 0 + 0 + 0 + 1 + 1 + 0 + 0 + 0 + 1 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100011000113) 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, 7143642858 + ... + 7143642871.

It is an arithmetic number, because the mean of its divisors is an integer number (28574571460).

Almost surely, 2^100011000103 is an apocalyptic number.

100011000103 is a deficient number, since it is larger than the sum of its proper divisors (14287285737).

100011000103 is an equidigital number, since it uses as much as digits as its factorization.

100011000103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14287285736.

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

Adding to 100011000103 its reverse (301000110001), we get a palindrome (401011110104).

The spelling of 100011000103 in words is "one hundred billion, eleven million, one hundred three", and thus it is an aban number.