2011323011 has 2 divisors, whose sum is σ = 2011323012. Its totient is φ = 2011323010.

The previous prime is 2011323001. The next prime is 2011323031. The reversal of 2011323011 is 1103231102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2011323011 - 2²⁶ = 1944214147 is a prime.

It is a super-2 number, since 2×2011323011² = 8090840509156212242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2011323001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005661505 + 1005661506.

It is an arithmetic number, because the mean of its divisors is an integer number (1005661506).

Almost surely, 2^2011323011 is an apocalyptic number.

2011323011 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011323011 is an equidigital number, since it uses as much as digits as its factorization.

2011323011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 2011323011 is about 44847.7759872215. The cubic root of 2011323011 is about 1262.2942601838.

Adding to 2011323011 its reverse (1103231102), we get a palindrome (3114554113).

The spelling of 2011323011 in words is "two billion, eleven million, three hundred twenty-three thousand, eleven".