11101210200 has 144 divisors (see below), whose sum is σ = 37311674400. Its totient is φ = 2957932800.

The previous prime is 11101210187. The next prime is 11101210213. The reversal of 11101210200 is 201210111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11101210187) and next prime (11101210213).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4154865 + ... + 4157535.

It is an arithmetic number, because the mean of its divisors is an integer number (259108850).

Almost surely, 2^11101210200 is an apocalyptic number.

11101210200 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 11101210200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18655837200).

11101210200 is an abundant number, since it is smaller than the sum of its proper divisors (26210464200).

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

11101210200 is a wasteful number, since it uses less digits than its factorization.

11101210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5002 (or 4990 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11101210200 its reverse (201210111), we get a palindrome (11302420311).

The spelling of 11101210200 in words is "eleven billion, one hundred one million, two hundred ten thousand, two hundred".