11122711 has 2 divisors, whose sum is σ = 11122712. Its totient is φ = 11122710.

The previous prime is 11122663. The next prime is 11122717. The reversal of 11122711 is 11722111.

11122711 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11122711 - 2¹⁵ = 11089943 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11122717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561355 + 5561356.

It is an arithmetic number, because the mean of its divisors is an integer number (5561356).

Almost surely, 2^11122711 is an apocalyptic number.

11122711 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122711 is an equidigital number, since it uses as much as digits as its factorization.

11122711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 28, while the sum is 16.

The square root of 11122711 is about 3335.0728627723. The cubic root of 11122711 is about 223.2219431650.

Adding to 11122711 its reverse (11722111), we get a palindrome (22844822).

It can be divided in two parts, 111 and 22711, that added together give a palindrome (22822).

The spelling of 11122711 in words is "eleven million, one hundred twenty-two thousand, seven hundred eleven".