11111200112 has 20 divisors (see below), whose sum is σ = 21532769880. Its totient is φ = 5554356288.

The previous prime is 11111200097. The next prime is 11111200117. The reversal of 11111200112 is 21100211111.

11111200112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11111200093 and 11111200102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111200117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1787 + ... + 149082.

It is an arithmetic number, because the mean of its divisors is an integer number (1076638494).

Almost surely, 2^11111200112 is an apocalyptic number.

It is an amenable number.

11111200112 is a deficient number, since it is larger than the sum of its proper divisors (10421569768).

11111200112 is a wasteful number, since it uses less digits than its factorization.

11111200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155480 (or 155474 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11111200112 its reverse (21100211111), we get a palindrome (32211411223).

The spelling of 11111200112 in words is "eleven billion, one hundred eleven million, two hundred thousand, one hundred twelve".