11212002200 has 48 divisors (see below), whose sum is σ = 29791895280. Its totient is φ = 3844114560.

The previous prime is 11212002187. The next prime is 11212002203. The reversal of 11212002200 is 220021211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212002203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4002887 + ... + 4005686.

It is an arithmetic number, because the mean of its divisors is an integer number (620664485).

Almost surely, 2^11212002200 is an apocalyptic number.

11212002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212002200 is an abundant number, since it is smaller than the sum of its proper divisors (18579893080).

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

11212002200 is a wasteful number, since it uses less digits than its factorization.

11212002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8008596 (or 8008587 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11212002200 its reverse (220021211), we get a palindrome (11432023411).

The spelling of 11212002200 in words is "eleven billion, two hundred twelve million, two thousand, two hundred".