11202222201100 has 144 divisors (see below), whose sum is σ = 28532121327360. Its totient is φ = 3738280032000.

The previous prime is 11202222201073. The next prime is 11202222201103. The reversal of 11202222201100 is 110222220211.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11202222201103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2828527 + ... + 5514073.

It is an arithmetic number, because the mean of its divisors is an integer number (198139731440).

Almost surely, 2^{11202222201100} is an apocalyptic number.

11202222201100 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 11202222201100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14266060663680).

11202222201100 is an abundant number, since it is smaller than the sum of its proper divisors (17329899126260).

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

11202222201100 is a wasteful number, since it uses less digits than its factorization.

11202222201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2685728 (or 2685721 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11202222201100 its reverse (110222220211), we get a palindrome (11312444421311).

The spelling of 11202222201100 in words is "eleven trillion, two hundred two billion, two hundred twenty-two million, two hundred one thousand, one hundred".