11220453200 has 120 divisors (see below), whose sum is σ = 29496549600. Its totient is φ = 4067852800.

The previous prime is 11220453161. The next prime is 11220453221. The reversal of 11220453200 is 235402211.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1523126 + ... + 1530474.

It is an arithmetic number, because the mean of its divisors is an integer number (245804580).

Almost surely, 2^11220453200 is an apocalyptic number.

11220453200 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 11220453200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14748274800).

11220453200 is an abundant number, since it is smaller than the sum of its proper divisors (18276096400).

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

11220453200 is a wasteful number, since it uses less digits than its factorization.

11220453200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7725 (or 7714 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 11220453200 its reverse (235402211), we get a palindrome (11455855411).

The spelling of 11220453200 in words is "eleven billion, two hundred twenty million, four hundred fifty-three thousand, two hundred".