11211222210200 has 96 divisors (see below), whose sum is σ = 26213085640560. Its totient is φ = 4459205260800.

The previous prime is 11211222210187. The next prime is 11211222210203. The reversal of 11211222210200 is 201222211211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211222210203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 606232154 + ... + 606250646.

Almost surely, 2^{11211222210200} is an apocalyptic number.

11211222210200 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 11211222210200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13106542820280).

11211222210200 is an abundant number, since it is smaller than the sum of its proper divisors (15001863430360).

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

11211222210200 is a wasteful number, since it uses less digits than its factorization.

11211222210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35437 (or 35428 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11211222210200 its reverse (201222211211), we get a palindrome (11412444421411).

The spelling of 11211222210200 in words is "eleven trillion, two hundred eleven billion, two hundred twenty-two million, two hundred ten thousand, two hundred".