2112030321 has 8 divisors (see below), whose sum is σ = 2821447584. Its totient is φ = 1405316640.

The previous prime is 2112030313. The next prime is 2112030353. The reversal of 2112030321 is 1230302112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2112030321 - 2³ = 2112030313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2112030321.

It is not an unprimeable number, because it can be changed into a prime (2112030391) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 674071 + ... + 677196.

It is an arithmetic number, because the mean of its divisors is an integer number (352680948).

Almost surely, 2^2112030321 is an apocalyptic number.

It is an amenable number.

2112030321 is a deficient number, since it is larger than the sum of its proper divisors (709417263).

2112030321 is a wasteful number, since it uses less digits than its factorization.

2112030321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351791.

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

The square root of 2112030321 is about 45956.8310591581. The cubic root of 2112030321 is about 1283.0198718457.

Adding to 2112030321 its reverse (1230302112), we get a palindrome (3342332433).

The spelling of 2112030321 in words is "two billion, one hundred twelve million, thirty thousand, three hundred twenty-one".