201020220211 has 4 divisors (see below), whose sum is σ = 201056728392. Its totient is φ = 200983712032.

The previous prime is 201020220143. The next prime is 201020220227. The reversal of 201020220211 is 112022020102.

It is a happy number.

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 201020220211 - 2¹¹ = 201020218163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201020220191 and 201020220200.

It is not an unprimeable number, because it can be changed into a prime (201020223211) 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, 18245830 + ... + 18256843.

It is an arithmetic number, because the mean of its divisors is an integer number (50264182098).

Almost surely, 2^201020220211 is an apocalyptic number.

201020220211 is a deficient number, since it is larger than the sum of its proper divisors (36508181).

201020220211 is an equidigital number, since it uses as much as digits as its factorization.

201020220211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36508180.

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

Adding to 201020220211 its reverse (112022020102), we get a palindrome (313042240313).

The spelling of 201020220211 in words is "two hundred one billion, twenty million, two hundred twenty thousand, two hundred eleven".