11222113112 has 32 divisors (see below), whose sum is σ = 24114412800. Its totient is φ = 4796071584.

The previous prime is 11222113079. The next prime is 11222113159. The reversal of 11222113112 is 21131122211.

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 (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258998 + ... + 299205.

It is an arithmetic number, because the mean of its divisors is an integer number (753575400).

Almost surely, 2^11222113112 is an apocalyptic number.

It is an amenable number.

11222113112 is an abundant number, since it is smaller than the sum of its proper divisors (12892299688).

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

11222113112 is a wasteful number, since it uses less digits than its factorization.

11222113112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558575 (or 558571 counting only the distinct ones).

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

Adding to 11222113112 its reverse (21131122211), we get a palindrome (32353235323).

Subtracting 11222113112 from its reverse (21131122211), we obtain a palindrome (9909009099).

The spelling of 11222113112 in words is "eleven billion, two hundred twenty-two million, one hundred thirteen thousand, one hundred twelve".