1110321320 has 64 divisors (see below), whose sum is σ = 2645896320. Its totient is φ = 418454784.

The previous prime is 1110321307. The next prime is 1110321371. The reversal of 1110321320 is 231230111.

It is a junction number, because it is equal to n+sod(n) for n = 1110321295 and 1110321304.

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 15 ways as a sum of consecutive naturals, for example, 52634 + ... + 70646.

It is an arithmetic number, because the mean of its divisors is an integer number (41342130).

Almost surely, 2^1110321320 is an apocalyptic number.

1110321320 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 1110321320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1322948160).

1110321320 is an abundant number, since it is smaller than the sum of its proper divisors (1535575000).

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

1110321320 is a wasteful number, since it uses less digits than its factorization.

1110321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18114 (or 18110 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1110321320 is about 33321.4843606944. The cubic root of 1110321320 is about 1035.4987040210.

Adding to 1110321320 its reverse (231230111), we get a palindrome (1341551431).

It can be divided in two parts, 11103 and 21320, that added together give a palindrome (32423).

The spelling of 1110321320 in words is "one billion, one hundred ten million, three hundred twenty-one thousand, three hundred twenty".