11203223112 has 24 divisors (see below), whose sum is σ = 30342062790. Its totient is φ = 3734407680.

The previous prime is 11203223089. The next prime is 11203223147. The reversal of 11203223112 is 21132230211.

11203223112 is a `hidden beast` number, since 11 + 20 + 322 + 311 + 2 = 666.

11203223112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7738017156 + 3465205956 = 87966^2 + 58866^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 77800089 + ... + 77800232.

Almost surely, 2^11203223112 is an apocalyptic number.

11203223112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11203223112 is an abundant number, since it is smaller than the sum of its proper divisors (19138839678).

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

11203223112 is a wasteful number, since it uses less digits than its factorization.

11203223112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155600333 (or 155600326 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11203223112 its reverse (21132230211), we get a palindrome (32335453323).

The spelling of 11203223112 in words is "eleven billion, two hundred three million, two hundred twenty-three thousand, one hundred twelve".