11212204224 has 56 divisors (see below), whose sum is σ = 31947601840. Its totient is φ = 3449908224.

The previous prime is 11212204207. The next prime is 11212204273. The reversal of 11212204224 is 42240221211.

It is a self number, because there is not a number n which added to its sum of digits gives 11212204224.

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 7 ways as a sum of consecutive naturals, for example, 2243539 + ... + 2248530.

It is an arithmetic number, because the mean of its divisors is an integer number (570492890).

Almost surely, 2^11212204224 is an apocalyptic number.

It is an amenable number.

11212204224 is an abundant number, since it is smaller than the sum of its proper divisors (20735397616).

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

11212204224 is a wasteful number, since it uses less digits than its factorization.

11212204224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4492097 (or 4492087 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 11212204224 its reverse (42240221211), we get a palindrome (53452425435).

The spelling of 11212204224 in words is "eleven billion, two hundred twelve million, two hundred four thousand, two hundred twenty-four".