11220107280 has 160 divisors (see below), whose sum is σ = 35367736320. Its totient is φ = 2941908480.

The previous prime is 11220107263. The next prime is 11220107293. The reversal of 11220107280 is 8270102211.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 11220107280.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8911291 + ... + 8912549.

It is an arithmetic number, because the mean of its divisors is an integer number (221048352).

Almost surely, 2^11220107280 is an apocalyptic number.

11220107280 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 11220107280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17683868160).

11220107280 is an abundant number, since it is smaller than the sum of its proper divisors (24147629040).

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

11220107280 is a wasteful number, since it uses less digits than its factorization.

11220107280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1869 (or 1863 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 24.

Adding to 11220107280 its reverse (8270102211), we get a palindrome (19490209491).

The spelling of 11220107280 in words is "eleven billion, two hundred twenty million, one hundred seven thousand, two hundred eighty".