1120323221320 has 128 divisors (see below), whose sum is σ = 2677418012160. Its totient is φ = 420441477120.

The previous prime is 1120323221291. The next prime is 1120323221333. The reversal of 1120323221320 is 231223230211.

It is a junction number, because it is equal to n+sod(n) for n = 1120323221291 and 1120323221300.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 536809317 + ... + 536811403.

It is an arithmetic number, because the mean of its divisors is an integer number (20917328220).

Almost surely, 2^{1120323221320} is an apocalyptic number.

1120323221320 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 1120323221320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1338709006080).

1120323221320 is an abundant number, since it is smaller than the sum of its proper divisors (1557094790840).

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

1120323221320 is a wasteful number, since it uses less digits than its factorization.

1120323221320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4223 (or 4219 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 1120323221320 its reverse (231223230211), we get a palindrome (1351546451531).

The spelling of 1120323221320 in words is "one trillion, one hundred twenty billion, three hundred twenty-three million, two hundred twenty-one thousand, three hundred twenty".