1000000100003 has 2 divisors, whose sum is σ = 1000000100004. Its totient is φ = 1000000100002.

The previous prime is 1000000099841. The next prime is 1000000100051. The reversal of 1000000100003 is 3000010000001.

1000000100003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000000100003 - 2²⁴ = 999983322787 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000000100003.

It is not a weakly prime, because it can be changed into another prime (1000000106003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500000050001 + 500000050002.

It is an arithmetic number, because the mean of its divisors is an integer number (500000050002).

Almost surely, 2^{1000000100003} is an apocalyptic number.

1000000100003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000000100003 is an equidigital number, since it uses as much as digits as its factorization.

1000000100003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3, while the sum is 5.

Adding to 1000000100003 its reverse (3000010000001), we get a palindrome (4000010100004).

The spelling of 1000000100003 in words is "one trillion, one hundred thousand, three".