2120210201 has 2 divisors, whose sum is σ = 2120210202. Its totient is φ = 2120210200.

The previous prime is 2120210179. The next prime is 2120210203. The reversal of 2120210201 is 1020120212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1508934025 + 611276176 = 38845^2 + 24724^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120210201 - 2¹⁰ = 2120209177 is a prime.

Together with 2120210203, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2120210203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060105100 + 1060105101.

It is an arithmetic number, because the mean of its divisors is an integer number (1060105101).

Almost surely, 2^2120210201 is an apocalyptic number.

It is an amenable number.

2120210201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120210201 is an equidigital number, since it uses as much as digits as its factorization.

2120210201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2120210201 is about 46045.7403133015. The cubic root of 2120210201 is about 1284.6741139916.

Adding to 2120210201 its reverse (1020120212), we get a palindrome (3140330413).

The spelling of 2120210201 in words is "two billion, one hundred twenty million, two hundred ten thousand, two hundred one".