11112011 has 2 divisors, whose sum is σ = 11112012. Its totient is φ = 11112010.

The previous prime is 11112007. The next prime is 11112019. The reversal of 11112011 is 11021111.

It is a happy number.

11112011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (11112019) can be obtained adding 11112011 to its sum of digits (8).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11112011 - 2² = 11112007 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11112011.

It is not a weakly prime, because it can be changed into another prime (11112019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556005 + 5556006.

It is an arithmetic number, because the mean of its divisors is an integer number (5556006).

Almost surely, 2^11112011 is an apocalyptic number.

11112011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112011 is an equidigital number, since it uses as much as digits as its factorization.

11112011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 11112011 is about 3333.4683139337. The cubic root of 11112011 is about 223.1503406842.

Adding to 11112011 its reverse (11021111), we get a palindrome (22133122).

The spelling of 11112011 in words is "eleven million, one hundred twelve thousand, eleven".