2003042011 has 2 divisors, whose sum is σ = 2003042012. Its totient is φ = 2003042010.

The previous prime is 2003041993. The next prime is 2003042023. The reversal of 2003042011 is 1102403002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2003042011 - 2⁹ = 2003041499 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2003041982 and 2003042000.

It is not a weakly prime, because it can be changed into another prime (2003042411) 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, 1001521005 + 1001521006.

It is an arithmetic number, because the mean of its divisors is an integer number (1001521006).

Almost surely, 2^2003042011 is an apocalyptic number.

2003042011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2003042011 is an equidigital number, since it uses as much as digits as its factorization.

2003042011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2003042011 is about 44755.3573441214. The cubic root of 2003042011 is about 1260.5595085866.

Adding to 2003042011 its reverse (1102403002), we get a palindrome (3105445013).

The spelling of 2003042011 in words is "two billion, three million, forty-two thousand, eleven".