2112003320 has 32 divisors (see below), whose sum is σ = 5430866400. Its totient is φ = 724115328.

The previous prime is 2112003281. The next prime is 2112003323. The reversal of 2112003320 is 233002112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 2112003295 and 2112003304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112003323) 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 7 ways as a sum of consecutive naturals, for example, 3771155 + ... + 3771714.

It is an arithmetic number, because the mean of its divisors is an integer number (169714575).

Almost surely, 2^2112003320 is an apocalyptic number.

2112003320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112003320 is an abundant number, since it is smaller than the sum of its proper divisors (3318863080).

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

2112003320 is a wasteful number, since it uses less digits than its factorization.

2112003320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7542887 (or 7542883 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2112003320 is about 45956.5372934036. The cubic root of 2112003320 is about 1283.0144042842.

Adding to 2112003320 its reverse (233002112), we get a palindrome (2345005432).

The spelling of 2112003320 in words is "two billion, one hundred twelve million, three thousand, three hundred twenty".