11122011222011 has 2 divisors, whose sum is σ = 11122011222012. Its totient is φ = 11122011222010.

The previous prime is 11122011222001. The next prime is 11122011222043. The reversal of 11122011222011 is 11022211022111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11122011222011 is a prime.

It is not a weakly prime, because it can be changed into another prime (11122011222001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561005611005 + 5561005611006.

It is an arithmetic number, because the mean of its divisors is an integer number (5561005611006).

Almost surely, 2^{11122011222011} is an apocalyptic number.

11122011222011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122011222011 is an equidigital number, since it uses as much as digits as its factorization.

11122011222011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11122011222011 its reverse (11022211022111), we get a palindrome (22144222244122).

The spelling of 11122011222011 in words is "eleven trillion, one hundred twenty-two billion, eleven million, two hundred twenty-two thousand, eleven".