11122120120111 has 32 divisors (see below), whose sum is σ = 15100985088000. Its totient is φ = 7910039681280.

The previous prime is 11122120120109. The next prime is 11122120120127. The reversal of 11122120120111 is 11102102122111.

It is not a de Polignac number, because 11122120120111 - 2¹ = 11122120120109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122120120151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62332311 + ... + 62510488.

It is an arithmetic number, because the mean of its divisors is an integer number (471905784000).

Almost surely, 2^{11122120120111} is an apocalyptic number.

11122120120111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11122120120111 is a deficient number, since it is larger than the sum of its proper divisors (3978864967889).

11122120120111 is a wasteful number, since it uses less digits than its factorization.

11122120120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124842919.

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

Adding to 11122120120111 its reverse (11102102122111), we get a palindrome (22224222242222).

The spelling of 11122120120111 in words is "eleven trillion, one hundred twenty-two billion, one hundred twenty million, one hundred twenty thousand, one hundred eleven".