202222112220211 has 4 divisors (see below), whose sum is σ = 202223461713912. Its totient is φ = 202220762726512.

The previous prime is 202222112220203. The next prime is 202222112220269. The reversal of 202222112220211 is 112022211222202.

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 202222112220211 - 2³ = 202222112220203 is a prime.

It is a super-2 number, since 2×202222112220211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202222112220281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674522050 + ... + 674821783.

It is an arithmetic number, because the mean of its divisors is an integer number (50555865428478).

Almost surely, 2^{202222112220211} is an apocalyptic number.

202222112220211 is a deficient number, since it is larger than the sum of its proper divisors (1349493701).

202222112220211 is a wasteful number, since it uses less digits than its factorization.

202222112220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349493700.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 202222112220211 its reverse (112022211222202), we get a palindrome (314244323442413).

The spelling of 202222112220211 in words is "two hundred two trillion, two hundred twenty-two billion, one hundred twelve million, two hundred twenty thousand, two hundred eleven".