11212210212200 has 48 divisors (see below), whose sum is σ = 26086890739500. Its totient is φ = 4481700945920.

The previous prime is 11212210212193. The next prime is 11212210212209. The reversal of 11212210212200 is 221201221211.

It can be written as a sum of positive squares in 6 ways, for example, as 3838237376164 + 7373972836036 = 1959142^2 + 2715506^2 .

It is not an unprimeable number, because it can be changed into a prime (11212210212209) 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, 19612115 + ... + 20175714.

Almost surely, 2^{11212210212200} is an apocalyptic number.

11212210212200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212210212200 is an abundant number, since it is smaller than the sum of its proper divisors (14874680527300).

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

11212210212200 is a wasteful number, since it uses less digits than its factorization.

11212210212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39789254 (or 39789245 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11212210212200 its reverse (221201221211), we get a palindrome (11433411433411).

The spelling of 11212210212200 in words is "eleven trillion, two hundred twelve billion, two hundred ten million, two hundred twelve thousand, two hundred".