211210210201 has 4 divisors (see below), whose sum is σ = 211213038772. Its totient is φ = 211207381632.

The previous prime is 211210210129. The next prime is 211210210219. The reversal of 211210210201 is 102012012112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 23924664976 + 187285545225 = 154676^2 + 432765^2 .

It is a cyclic number.

It is not a de Polignac number, because 211210210201 - 2¹⁵ = 211210177433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211210210291) 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 3 ways as a sum of consecutive naturals, for example, 1299156 + ... + 1452661.

It is an arithmetic number, because the mean of its divisors is an integer number (52803259693).

Almost surely, 2^211210210201 is an apocalyptic number.

It is an amenable number.

211210210201 is a deficient number, since it is larger than the sum of its proper divisors (2828571).

211210210201 is an equidigital number, since it uses as much as digits as its factorization.

211210210201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828570.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 211210210201 its reverse (102012012112), we get a palindrome (313222222313).

The spelling of 211210210201 in words is "two hundred eleven billion, two hundred ten million, two hundred ten thousand, two hundred one".