22221111110211 has 16 divisors (see below), whose sum is σ = 35452484962720. Its totient is φ = 13674529913760.

The previous prime is 22221111110161. The next prime is 22221111110251. The reversal of 22221111110211 is 11201111112222.

It is a happy number.

22221111110211 is a `hidden beast` number, since 222 + 211 + 1 + 11 + 10 + 211 = 666.

It is not a de Polignac number, because 22221111110211 - 2⁶ = 22221111110147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221111110251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31654004080 + ... + 31654004781.

It is an arithmetic number, because the mean of its divisors is an integer number (2215780310170).

Almost surely, 2^{22221111110211} is an apocalyptic number.

22221111110211 is a deficient number, since it is larger than the sum of its proper divisors (13231373852509).

22221111110211 is a wasteful number, since it uses less digits than its factorization.

22221111110211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63308008883 (or 63308008877 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 22221111110211 its reverse (11201111112222), we get a palindrome (33422222222433).

The spelling of 22221111110211 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred eleven million, one hundred ten thousand, two hundred eleven".