11001222200100 has 288 divisors, whose sum is σ = 36436057943040. Its totient is φ = 2536753472000.

The previous prime is 11001222200099. The next prime is 11001222200147. The reversal of 11001222200100 is 100222210011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13181230 + ... + 13990970.

It is an arithmetic number, because the mean of its divisors is an integer number (126514090080).

Almost surely, 2^{11001222200100} is an apocalyptic number.

11001222200100 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 11001222200100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18218028971520).

11001222200100 is an abundant number, since it is smaller than the sum of its proper divisors (25434835742940).

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

11001222200100 is a wasteful number, since it uses less digits than its factorization.

11001222200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809971 (or 809964 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11001222200100 its reverse (100222210011), we get a palindrome (11101444410111).

The spelling of 11001222200100 in words is "eleven trillion, one billion, two hundred twenty-two million, two hundred thousand, one hundred".