2120442201 has 6 divisors (see below), whose sum is σ = 3062860970. Its totient is φ = 1413628128.

The previous prime is 2120442173. The next prime is 2120442209. The reversal of 2120442201 is 1022440212.

2120442201 is a `hidden beast` number, since 2 + 1 + 20 + 442 + 201 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1992729600 + 127712601 = 44640^2 + 11301^2 .

It is not a de Polignac number, because 2120442201 - 2⁹ = 2120441689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120442209) 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 5 ways as a sum of consecutive naturals, for example, 117802336 + ... + 117802353.

Almost surely, 2^2120442201 is an apocalyptic number.

It is an amenable number.

2120442201 is a deficient number, since it is larger than the sum of its proper divisors (942418769).

2120442201 is a wasteful number, since it uses less digits than its factorization.

2120442201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235604695 (or 235604692 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2120442201 is about 46048.2594785080. The cubic root of 2120442201 is about 1284.7209699627.

Adding to 2120442201 its reverse (1022440212), we get a palindrome (3142882413).

The spelling of 2120442201 in words is "two billion, one hundred twenty million, four hundred forty-two thousand, two hundred one".