11112321112 has 16 divisors (see below), whose sum is σ = 20855671200. Its totient is φ = 5550808800.

The previous prime is 11112321089. The next prime is 11112321137. The reversal of 11112321112 is 21112321111.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 660139 + ... + 676762.

It is an arithmetic number, because the mean of its divisors is an integer number (1303479450).

Almost surely, 2^11112321112 is an apocalyptic number.

It is an amenable number.

11112321112 is a deficient number, since it is larger than the sum of its proper divisors (9743350088).

11112321112 is a wasteful number, since it uses less digits than its factorization.

11112321112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337946 (or 1337942 counting only the distinct ones).

The product of its digits is 24, while the sum is 16.

Adding to 11112321112 its reverse (21112321111), we get a palindrome (32224642223).

Subtracting 11112321112 from its reverse (21112321111), we obtain a palindrome (9999999999).

The spelling of 11112321112 in words is "eleven billion, one hundred twelve million, three hundred twenty-one thousand, one hundred twelve".