1120021332320 has 48 divisors (see below), whose sum is σ = 2886600438288. Its totient is φ = 407280483840.

The previous prime is 1120021332319. The next prime is 1120021332323. The reversal of 1120021332320 is 232331200211.

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

It is a junction number, because it is equal to n+sod(n) for n = 1120021332292 and 1120021332301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120021332323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 318186119 + ... + 318189638.

It is an arithmetic number, because the mean of its divisors is an integer number (60137509131).

Almost surely, 2^{1120021332320} is an apocalyptic number.

1120021332320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120021332320 is an abundant number, since it is smaller than the sum of its proper divisors (1766579105968).

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

1120021332320 is a wasteful number, since it uses less digits than its factorization.

1120021332320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636375783 (or 636375775 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1120021332320 its reverse (232331200211), we get a palindrome (1352352532531).

The spelling of 1120021332320 in words is "one trillion, one hundred twenty billion, twenty-one million, three hundred thirty-two thousand, three hundred twenty".