11133222011 has 2 divisors, whose sum is σ = 11133222012. Its totient is φ = 11133222010.

The previous prime is 11133221993. The next prime is 11133222053. The reversal of 11133222011 is 11022233111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11133222011 - 2⁶ = 11133221947 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11133222071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5566611005 + 5566611006.

It is an arithmetic number, because the mean of its divisors is an integer number (5566611006).

Almost surely, 2^11133222011 is an apocalyptic number.

11133222011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11133222011 is an equidigital number, since it uses as much as digits as its factorization.

11133222011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11133222011 its reverse (11022233111), we get a palindrome (22155455122).

The spelling of 11133222011 in words is "eleven billion, one hundred thirty-three million, two hundred twenty-two thousand, eleven".