11122056 has 128 divisors (see below), whose sum is σ = 35020800. Its totient is φ = 3240000.

The previous prime is 11122039. The next prime is 11122073. The reversal of 11122056 is 65022111.

It is an interprime number because it is at equal distance from previous prime (11122039) and next prime (11122073).

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73581 + ... + 73731.

It is an arithmetic number, because the mean of its divisors is an integer number (273600).

Almost surely, 2^11122056 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 11122056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17510400).

11122056 is an abundant number, since it is smaller than the sum of its proper divisors (23898744).

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

11122056 is a wasteful number, since it uses less digits than its factorization.

11122056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 11122056 is about 3334.9746625724. The cubic root of 11122056 is about 223.2175613423.

Adding to 11122056 its reverse (65022111), we get a palindrome (76144167).

The spelling of 11122056 in words is "eleven million, one hundred twenty-two thousand, fifty-six".