1003000000201 has 2 divisors, whose sum is σ = 1003000000202. Its totient is φ = 1003000000200.

The previous prime is 1003000000193. The next prime is 1003000000229. The reversal of 1003000000201 is 1020000003001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1002321345600 + 678654601 = 1001160^2 + 26051^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003000000201 - 2³ = 1003000000193 is a prime.

It is not a weakly prime, because it can be changed into another prime (1003000000231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501500000100 + 501500000101.

It is an arithmetic number, because the mean of its divisors is an integer number (501500000101).

Almost surely, 2^{1003000000201} is an apocalyptic number.

It is an amenable number.

1003000000201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003000000201 is an equidigital number, since it uses as much as digits as its factorization.

1003000000201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 7.

Adding to 1003000000201 its reverse (1020000003001), we get a palindrome (2023000003202).

The spelling of 1003000000201 in words is "one trillion, three billion, two hundred one", and thus it is an aban number.