11011122 has 12 divisors (see below), whose sum is σ = 23857470. Its totient is φ = 3670368.

The previous prime is 11011109. The next prime is 11011123. The reversal of 11011122 is 22111011.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 8415801 + 2595321 = 2901^2 + 1611^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (11011123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 305847 + ... + 305882.

Almost surely, 2^11011122 is an apocalyptic number.

11011122 is an abundant number, since it is smaller than the sum of its proper divisors (12846348).

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

11011122 is a wasteful number, since it uses less digits than its factorization.

11011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611737 (or 611734 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

The square root of 11011122 is about 3318.3010713315. The cubic root of 11011122 is about 222.4729386774.

Adding to 11011122 its reverse (22111011), we get a palindrome (33122133).

The spelling of 11011122 in words is "eleven million, eleven thousand, one hundred twenty-two".