11122443200 has 168 divisors, whose sum is σ = 30156601104. Its totient is φ = 4003840000.

The previous prime is 11122443179. The next prime is 11122443251. The reversal of 11122443200 is 234422111.

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, 1774472 + ... + 1780728.

It is an arithmetic number, because the mean of its divisors is an integer number (179503578).

Almost surely, 2^11122443200 is an apocalyptic number.

11122443200 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 11122443200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15078300552).

11122443200 is an abundant number, since it is smaller than the sum of its proper divisors (19034157904).

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

11122443200 is a wasteful number, since it uses less digits than its factorization.

11122443200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6391 (or 6376 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11122443200 its reverse (234422111), we get a palindrome (11356865311).

The spelling of 11122443200 in words is "eleven billion, one hundred twenty-two million, four hundred forty-three thousand, two hundred".