11112110121011 has 16 divisors (see below), whose sum is σ = 11301488478720. Its totient is φ = 10924223608320.

The previous prime is 11112110120981. The next prime is 11112110121041. The reversal of 11112110121011 is 11012101121111.

It is an interprime number because it is at equal distance from previous prime (11112110120981) and next prime (11112110121041).

It is a cyclic number.

It is not a de Polignac number, because 11112110121011 - 2³⁰ = 11111036379187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11112110121041) 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 in 15 ways as a sum of consecutive naturals, for example, 33783335 + ... + 34110671.

It is an arithmetic number, because the mean of its divisors is an integer number (706343029920).

Almost surely, 2^{11112110121011} is an apocalyptic number.

11112110121011 is a deficient number, since it is larger than the sum of its proper divisors (189378357709).

11112110121011 is a wasteful number, since it uses less digits than its factorization.

11112110121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329614.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 11112110121011 its reverse (11012101121111), we get a palindrome (22124211242122).

The spelling of 11112110121011 in words is "eleven trillion, one hundred twelve billion, one hundred ten million, one hundred twenty-one thousand, eleven".