1122213220320 has 144 divisors (see below), whose sum is σ = 3584067428592. Its totient is φ = 295156776960.

The previous prime is 1122213220301. The next prime is 1122213220321. The reversal of 1122213220320 is 230223122211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122213220321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2338560 + ... + 2777280.

It is an arithmetic number, because the mean of its divisors is an integer number (24889357143).

Almost surely, 2^{1122213220320} is an apocalyptic number.

1122213220320 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 1122213220320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1792033714296).

1122213220320 is an abundant number, since it is smaller than the sum of its proper divisors (2461854208272).

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

1122213220320 is an equidigital number, since it uses as much as digits as its factorization.

1122213220320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438885 (or 438804 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1122213220320 its reverse (230223122211), we get a palindrome (1352436342531).

The spelling of 1122213220320 in words is "one trillion, one hundred twenty-two billion, two hundred thirteen million, two hundred twenty thousand, three hundred twenty".