1112311122 has 64 divisors (see below), whose sum is σ = 2542337280. Its totient is φ = 321398784.

The previous prime is 1112311103. The next prime is 1112311127. The reversal of 1112311122 is 2211132111.

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

It is not an unprimeable number, because it can be changed into a prime (1112311127) by changing a digit.

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, 984654 + ... + 985782.

It is an arithmetic number, because the mean of its divisors is an integer number (39724020).

Almost surely, 2^1112311122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1112311122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1271168640).

1112311122 is an abundant number, since it is smaller than the sum of its proper divisors (1430026158).

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

1112311122 is a wasteful number, since it uses less digits than its factorization.

1112311122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1907.

The product of its digits is 24, while the sum is 15.

The square root of 1112311122 is about 33351.3286392012. The cubic root of 1112311122 is about 1036.1169057810.

Adding to 1112311122 its reverse (2211132111), we get a palindrome (3323443233).

The spelling of 1112311122 in words is "one billion, one hundred twelve million, three hundred eleven thousand, one hundred twenty-two".