11022220112011 has 2 divisors, whose sum is σ = 11022220112012. Its totient is φ = 11022220112010.

The previous prime is 11022220112009. The next prime is 11022220112027. The reversal of 11022220112011 is 11021102222011.

It is an a-pointer prime, because the next prime (11022220112027) can be obtained adding 11022220112011 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11022220112011 - 2¹ = 11022220112009 is a prime.

Together with 11022220112009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11022220112611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5511110056005 + 5511110056006.

It is an arithmetic number, because the mean of its divisors is an integer number (5511110056006).

Almost surely, 2^{11022220112011} is an apocalyptic number.

11022220112011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11022220112011 is an equidigital number, since it uses as much as digits as its factorization.

11022220112011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11022220112011 its reverse (11021102222011), we get a palindrome (22043322334022).

The spelling of 11022220112011 in words is "eleven trillion, twenty-two billion, two hundred twenty million, one hundred twelve thousand, eleven".