11123100200 has 48 divisors (see below), whose sum is σ = 25917520860. Its totient is φ = 4439552000.

The previous prime is 11123100181. The next prime is 11123100217. The reversal of 11123100200 is 200132111.

It can be written as a sum of positive squares in 6 ways, for example, as 5041284004 + 6081816196 = 71002^2 + 77986^2 .

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, 31880 + ... + 152520.

Almost surely, 2^11123100200 is an apocalyptic number.

11123100200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11123100200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12958760430).

11123100200 is an abundant number, since it is smaller than the sum of its proper divisors (14794420660).

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

11123100200 is a wasteful number, since it uses less digits than its factorization.

11123100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121118 (or 121109 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 11123100200 its reverse (200132111), we get a palindrome (11323232311).

The spelling of 11123100200 in words is "eleven billion, one hundred twenty-three million, one hundred thousand, two hundred".