11122231112 has 16 divisors (see below), whose sum is σ = 21038735340. Its totient is φ = 5511901696.

The previous prime is 11122231103. The next prime is 11122231123. The reversal of 11122231112 is 21113222111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10042845796 + 1079385316 = 100214^2 + 32854^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6150773 + ... + 6152580.

Almost surely, 2^11122231112 is an apocalyptic number.

It is an amenable number.

11122231112 is a deficient number, since it is larger than the sum of its proper divisors (9916504228).

11122231112 is a wasteful number, since it uses less digits than its factorization.

11122231112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12303472 (or 12303468 counting only the distinct ones).

The product of its digits is 48, while the sum is 17.

Adding to 11122231112 its reverse (21113222111), we get a palindrome (32235453223).

Subtracting 11122231112 from its reverse (21113222111), we obtain a palindrome (9990990999).

The spelling of 11122231112 in words is "eleven billion, one hundred twenty-two million, two hundred thirty-one thousand, one hundred twelve".