2011000003 has 2 divisors, whose sum is σ = 2011000004. Its totient is φ = 2011000002.

The previous prime is 2011000001. The next prime is 2011000007. The reversal of 2011000003 is 3000001102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2011000003 - 2¹ = 2011000001 is a prime.

Together with 2011000001, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2011000003.

It is not a weakly prime, because it can be changed into another prime (2011000001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005500001 + 1005500002.

It is an arithmetic number, because the mean of its divisors is an integer number (1005500002).

Almost surely, 2^2011000003 is an apocalyptic number.

2011000003 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011000003 is an equidigital number, since it uses as much as digits as its factorization.

2011000003 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 7.

The square root of 2011000003 is about 44844.1746830065. The cubic root of 2011000003 is about 1262.2266839382.

Adding to 2011000003 its reverse (3000001102), we get a palindrome (5011001105).

The spelling of 2011000003 in words is "two billion, eleven million, three", and thus it is an aban number and an uban number.