201021210010211 has 4 divisors (see below), whose sum is σ = 201021258578400. Its totient is φ = 201021161442024.

The previous prime is 201021210010177. The next prime is 201021210010237. The reversal of 201021210010211 is 112010012120102.

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

It is a cyclic number.

It is not a de Polignac number, because 201021210010211 - 2⁶ = 201021210010147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201021210010711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17431016 + ... + 26568453.

It is an arithmetic number, because the mean of its divisors is an integer number (50255314644600).

Almost surely, 2^{201021210010211} is an apocalyptic number.

201021210010211 is a deficient number, since it is larger than the sum of its proper divisors (48568189).

201021210010211 is an equidigital number, since it uses as much as digits as its factorization.

201021210010211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48568188.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 201021210010211 its reverse (112010012120102), we get a palindrome (313031222130313).

The spelling of 201021210010211 in words is "two hundred one trillion, twenty-one billion, two hundred ten million, ten thousand, two hundred eleven".