100001012003 has 2 divisors, whose sum is σ = 100001012004. Its totient is φ = 100001012002.

The previous prime is 100001011967. The next prime is 100001012039. The reversal of 100001012003 is 300210100001.

It is a balanced prime because it is at equal distance from previous prime (100001011967) and next prime (100001012039).

It is a cyclic number.

It is not a de Polignac number, because 100001012003 - 2²⁴ = 99984234787 is a prime.

It is not a weakly prime, because it can be changed into another prime (100001018003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000506001 + 50000506002.

It is an arithmetic number, because the mean of its divisors is an integer number (50000506002).

Almost surely, 2^100001012003 is an apocalyptic number.

100001012003 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001012003 is an equidigital number, since it uses as much as digits as its factorization.

100001012003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 100001012003 its reverse (300210100001), we get a palindrome (400211112004).

The spelling of 100001012003 in words is "one hundred billion, one million, twelve thousand, three".