11212100200 has 48 divisors (see below), whose sum is σ = 29792155680. Its totient is φ = 3844148160.

The previous prime is 11212100197. The next prime is 11212100239. The reversal of 11212100200 is 200121211.

It is a super-2 number, since 2×11212100200² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 4002922 + ... + 4005721.

It is an arithmetic number, because the mean of its divisors is an integer number (620669910).

Almost surely, 2^11212100200 is an apocalyptic number.

11212100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212100200 is an abundant number, since it is smaller than the sum of its proper divisors (18580055480).

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

11212100200 is a wasteful number, since it uses less digits than its factorization.

11212100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8008666 (or 8008657 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11212100200 its reverse (200121211), we get a palindrome (11412221411).

The spelling of 11212100200 in words is "eleven billion, two hundred twelve million, one hundred thousand, two hundred".