11101212200 has 192 divisors, whose sum is σ = 29413117440. Its totient is φ = 3865466880.

The previous prime is 11101212181. The next prime is 11101212247. The reversal of 11101212200 is 221210111.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4364129 + ... + 4366671.

It is an arithmetic number, because the mean of its divisors is an integer number (153193320).

Almost surely, 2^11101212200 is an apocalyptic number.

11101212200 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 11101212200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14706558720).

11101212200 is an abundant number, since it is smaller than the sum of its proper divisors (18311905240).

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

11101212200 is a wasteful number, since it uses less digits than its factorization.

11101212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668 (or 2659 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11101212200 its reverse (221210111), we get a palindrome (11322422311).

The spelling of 11101212200 in words is "eleven billion, one hundred one million, two hundred twelve thousand, two hundred".