11121110112 has 48 divisors (see below), whose sum is σ = 33363332352. Its totient is φ = 3177459840.

The previous prime is 11121110111. The next prime is 11121110207. The reversal of 11121110112 is 21101112111.

11121110112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121110111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8273964 + ... + 8275307.

It is an arithmetic number, because the mean of its divisors is an integer number (695069424).

Almost surely, 2^11121110112 is an apocalyptic number.

11121110112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11121110112 is an abundant number, since it is smaller than the sum of its proper divisors (22242222240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11121110112 is a wasteful number, since it uses less digits than its factorization.

11121110112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16549291 (or 16549283 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11121110112 its reverse (21101112111), we get a palindrome (32222222223).

The spelling of 11121110112 in words is "eleven billion, one hundred twenty-one million, one hundred ten thousand, one hundred twelve".