11011112 has 64 divisors (see below), whose sum is σ = 25159680. Its totient is φ = 4416192.

The previous prime is 11011109. The next prime is 11011123. The reversal of 11011112 is 21111011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 11011112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106853 + ... + 106955.

It is an arithmetic number, because the mean of its divisors is an integer number (393120).

Almost surely, 2^11011112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11011112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12579840).

11011112 is an abundant number, since it is smaller than the sum of its proper divisors (14148568).

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

11011112 is a wasteful number, since it uses less digits than its factorization.

11011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 8.

The square root of 11011112 is about 3318.2995645360. The cubic root of 11011112 is about 222.4728713295.

Adding to 11011112 its reverse (21111011), we get a palindrome (32122123).

The spelling of 11011112 in words is "eleven million, eleven thousand, one hundred twelve".