11321220112 has 20 divisors (see below), whose sum is σ = 21972249936. Its totient is φ = 5650962080.

The previous prime is 11321220109. The next prime is 11321220217. The reversal of 11321220112 is 21102212311.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593314 + ... + 612097.

Almost surely, 2^11321220112 is an apocalyptic number.

It is an amenable number.

11321220112 is a deficient number, since it is larger than the sum of its proper divisors (10651029824).

11321220112 is a wasteful number, since it uses less digits than its factorization.

11321220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206006 (or 1206000 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11321220112 its reverse (21102212311), we get a palindrome (32423432423).

The spelling of 11321220112 in words is "eleven billion, three hundred twenty-one million, two hundred twenty thousand, one hundred twelve".