22221200211 has 16 divisors (see below), whose sum is σ = 33864340224. Its totient is φ = 12696529824.

The previous prime is 22221200189. The next prime is 22221200233. The reversal of 22221200211 is 11200212222.

It is an interprime number because it is at equal distance from previous prime (22221200189) and next prime (22221200233).

It is not a de Polignac number, because 22221200211 - 2¹⁹ = 22220675923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22221200411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179521 + ... + 276893.

It is an arithmetic number, because the mean of its divisors is an integer number (2116521264).

Almost surely, 2^22221200211 is an apocalyptic number.

22221200211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22221200211 is a deficient number, since it is larger than the sum of its proper divisors (11643140013).

22221200211 is a wasteful number, since it uses less digits than its factorization.

22221200211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108250.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22221200211 its reverse (11200212222), we get a palindrome (33421412433).

The spelling of 22221200211 in words is "twenty-two billion, two hundred twenty-one million, two hundred thousand, two hundred eleven".