211020202222201 has 16 divisors (see below), whose sum is σ = 216316331447040. Its totient is φ = 205741771240320.

The previous prime is 211020202222189. The next prime is 211020202222211. The reversal of 211020202222201 is 102222202020112.

It is a cyclic number.

It is not a de Polignac number, because 211020202222201 - 2⁵ = 211020202222169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211020202222211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 617890176 + ... + 618231598.

It is an arithmetic number, because the mean of its divisors is an integer number (13519770715440).

Almost surely, 2^{211020202222201} is an apocalyptic number.

It is an amenable number.

211020202222201 is a deficient number, since it is larger than the sum of its proper divisors (5296129224839).

211020202222201 is a wasteful number, since it uses less digits than its factorization.

211020202222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367296.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 211020202222201 its reverse (102222202020112), we get a palindrome (313242404242313).

The spelling of 211020202222201 in words is "two hundred eleven trillion, twenty billion, two hundred two million, two hundred twenty-two thousand, two hundred one".