2120212201 has 8 divisors (see below), whose sum is σ = 2152953000. Its totient is φ = 2087669760.

The previous prime is 2120212187. The next prime is 2120212229. The reversal of 2120212201 is 1022120212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 161264601 + 1958947600 = 12699^2 + 44260^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2120212201 - 2¹¹ = 2120210153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120210201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27976 + ... + 70873.

It is an arithmetic number, because the mean of its divisors is an integer number (269119125).

Almost surely, 2^2120212201 is an apocalyptic number.

It is an amenable number.

2120212201 is a deficient number, since it is larger than the sum of its proper divisors (32740799).

2120212201 is an equidigital number, since it uses as much as digits as its factorization.

2120212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99179.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2120212201 is about 46045.7620308319. The cubic root of 2120212201 is about 1284.6745179369.

Adding to 2120212201 its reverse (1022120212), we get a palindrome (3142332413).

The spelling of 2120212201 in words is "two billion, one hundred twenty million, two hundred twelve thousand, two hundred one".