11122220122011 has 24 divisors (see below), whose sum is σ = 16673057432304. Its totient is φ = 7409200170240.

The previous prime is 11122220121989. The next prime is 11122220122063. The reversal of 11122220122011 is 11022102222111.

11122220122011 is a `hidden beast` number, since 1 + 11 + 222 + 201 + 220 + 11 = 666.

It is not a de Polignac number, because 11122220122011 - 2¹⁴ = 11122220105627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11122220126011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17003166 + ... + 17645171.

It is an arithmetic number, because the mean of its divisors is an integer number (694710726346).

Almost surely, 2^{11122220122011} is an apocalyptic number.

11122220122011 is a deficient number, since it is larger than the sum of its proper divisors (5550837310293).

11122220122011 is an equidigital number, since it uses as much as digits as its factorization.

11122220122011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34649673 (or 34649661 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11122220122011 its reverse (11022102222111), we get a palindrome (22144322344122).

The spelling of 11122220122011 in words is "eleven trillion, one hundred twenty-two billion, two hundred twenty million, one hundred twenty-two thousand, eleven".