11212122200 has 48 divisors (see below), whose sum is σ = 27601615080. Its totient is φ = 4221032960.

The previous prime is 11212122199. The next prime is 11212122221. The reversal of 11212122200 is 222121211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1645442 + ... + 1652241.

Almost surely, 2^11212122200 is an apocalyptic number.

11212122200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212122200 is an abundant number, since it is smaller than the sum of its proper divisors (16389492880).

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

11212122200 is a wasteful number, since it uses less digits than its factorization.

11212122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297716 (or 3297707 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11212122200 its reverse (222121211), we get a palindrome (11434243411).

The spelling of 11212122200 in words is "eleven billion, two hundred twelve million, one hundred twenty-two thousand, two hundred".