202201222211 has 4 divisors (see below), whose sum is σ = 203990613672. Its totient is φ = 200411830752.

The previous prime is 202201222183. The next prime is 202201222213. The reversal of 202201222211 is 112222102202.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202201222211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202201222211.

It is not an unprimeable number, because it can be changed into a prime (202201222213) 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, 894695561 + ... + 894695786.

It is an arithmetic number, because the mean of its divisors is an integer number (50997653418).

Almost surely, 2^202201222211 is an apocalyptic number.

202201222211 is a deficient number, since it is larger than the sum of its proper divisors (1789391461).

202201222211 is a wasteful number, since it uses less digits than its factorization.

202201222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789391460.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202201222211 its reverse (112222102202), we get a palindrome (314423324413).

The spelling of 202201222211 in words is "two hundred two billion, two hundred one million, two hundred twenty-two thousand, two hundred eleven".