2120341321 has 8 divisors (see below), whose sum is σ = 2434733504. Its totient is φ = 1808820720.

The previous prime is 2120341297. The next prime is 2120341331. The reversal of 2120341321 is 1231430212.

It is a happy number.

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

It is not a de Polignac number, because 2120341321 - 2⁹ = 2120340809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120341331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 716310 + ... + 719263.

It is an arithmetic number, because the mean of its divisors is an integer number (304341688).

Almost surely, 2^2120341321 is an apocalyptic number.

It is an amenable number.

2120341321 is a deficient number, since it is larger than the sum of its proper divisors (314392183).

2120341321 is a wasteful number, since it uses less digits than its factorization.

2120341321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435791.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2120341321 is about 46047.1640929167. The cubic root of 2120341321 is about 1284.7005961139.

Adding to 2120341321 its reverse (1231430212), we get a palindrome (3351771533).

The spelling of 2120341321 in words is "two billion, one hundred twenty million, three hundred forty-one thousand, three hundred twenty-one".