11222111222200 has 96 divisors (see below), whose sum is σ = 26299964127600. Its totient is φ = 4453009136640.

The previous prime is 11222111222191. The next prime is 11222111222237. The reversal of 11222111222200 is 222211122211.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39836242 + ... + 40116958.

Almost surely, 2^{11222111222200} is an apocalyptic number.

11222111222200 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 11222111222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13149982063800).

11222111222200 is an abundant number, since it is smaller than the sum of its proper divisors (15077852905400).

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

11222111222200 is a wasteful number, since it uses less digits than its factorization.

11222111222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282329 (or 282320 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11222111222200 its reverse (222211122211), we get a palindrome (11444322344411).

The spelling of 11222111222200 in words is "eleven trillion, two hundred twenty-two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred".