2120303001 has 64 divisors (see below), whose sum is σ = 3165143040. Its totient is φ = 1258033920.

The previous prime is 2120302979. The next prime is 2120303077. The reversal of 2120303001 is 1003030212.

It is a happy number.

It is not a de Polignac number, because 2120303001 - 2⁹ = 2120302489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120303701) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6688495 + ... + 6688811.

It is an arithmetic number, because the mean of its divisors is an integer number (49455360).

Almost surely, 2^2120303001 is an apocalyptic number.

It is an amenable number.

2120303001 is a deficient number, since it is larger than the sum of its proper divisors (1044840039).

2120303001 is a wasteful number, since it uses less digits than its factorization.

2120303001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2120303001 is about 46046.7479959226. The cubic root of 2120303001 is about 1284.6928567902.

Adding to 2120303001 its reverse (1003030212), we get a palindrome (3123333213).

The spelling of 2120303001 in words is "two billion, one hundred twenty million, three hundred three thousand, one".