201020202211 has 4 divisors (see below), whose sum is σ = 204315615424. Its totient is φ = 197724789000.

The previous prime is 201020202197. The next prime is 201020202263. The reversal of 201020202211 is 112202020102.

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 201020202211 - 2¹¹ = 201020200163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201020202191 and 201020202200.

It is not an unprimeable number, because it can be changed into a prime (201020902211) 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, 1647706515 + ... + 1647706636.

It is an arithmetic number, because the mean of its divisors is an integer number (51078903856).

Almost surely, 2^201020202211 is an apocalyptic number.

201020202211 is a deficient number, since it is larger than the sum of its proper divisors (3295413213).

201020202211 is an equidigital number, since it uses as much as digits as its factorization.

201020202211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295413212.

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

Adding to 201020202211 its reverse (112202020102), we get a palindrome (313222222313).

The spelling of 201020202211 in words is "two hundred one billion, twenty million, two hundred two thousand, two hundred eleven".