2120343001 has 4 divisors (see below), whose sum is σ = 2423249152. Its totient is φ = 1817436852.

The previous prime is 2120342999. The next prime is 2120343059. The reversal of 2120343001 is 1003430212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2120343001 - 2¹ = 2120342999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120343061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151453065 + ... + 151453078.

It is an arithmetic number, because the mean of its divisors is an integer number (605812288).

Almost surely, 2^2120343001 is an apocalyptic number.

It is an amenable number.

2120343001 is a deficient number, since it is larger than the sum of its proper divisors (302906151).

2120343001 is an equidigital number, since it uses as much as digits as its factorization.

2120343001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302906150.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2120343001 is about 46047.1823350789. The cubic root of 2120343001 is about 1284.7009354140.

Adding to 2120343001 its reverse (1003430212), we get a palindrome (3123773213).

The spelling of 2120343001 in words is "two billion, one hundred twenty million, three hundred forty-three thousand, one".