11112122 has 24 divisors (see below), whose sum is σ = 19545300. Its totient is φ = 4724160.

The previous prime is 11112113. The next prime is 11112137. The reversal of 11112122 is 22121111.

It can be written as a sum of positive squares in 2 ways, for example, as 7722841 + 3389281 = 2779^2 + 1841^2 .

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14222 + ... + 14982.

Almost surely, 2^11112122 is an apocalyptic number.

11112122 is a deficient number, since it is larger than the sum of its proper divisors (8433178).

11112122 is a wasteful number, since it uses less digits than its factorization.

11112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926 (or 919 counting only the distinct ones).

The product of its digits is 8, while the sum is 11.

The square root of 11112122 is about 3333.4849632179. The cubic root of 11112122 is about 223.1510837122.

Adding to 11112122 its reverse (22121111), we get a palindrome (33233233).

The spelling of 11112122 in words is "eleven million, one hundred twelve thousand, one hundred twenty-two".