2110321320 has 128 divisors (see below), whose sum is σ = 6508909440. Its totient is φ = 547061760.

The previous prime is 2110321267. The next prime is 2110321331. The reversal of 2110321320 is 231230112.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2110321320.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1242712 + ... + 1244408.

It is an arithmetic number, because the mean of its divisors is an integer number (50850855).

Almost surely, 2^2110321320 is an apocalyptic number.

2110321320 is a gapful number since it is divisible by the number (20) 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 2110321320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3254454720).

2110321320 is an abundant number, since it is smaller than the sum of its proper divisors (4398588120).

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

2110321320 is a wasteful number, since it uses less digits than its factorization.

2110321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995 (or 1991 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2110321320 is about 45938.2337492420. The cubic root of 2110321320 is about 1282.6737161571.

Adding to 2110321320 its reverse (231230112), we get a palindrome (2341551432).

The spelling of 2110321320 in words is "two billion, one hundred ten million, three hundred twenty-one thousand, three hundred twenty".