22022111211111 has 12 divisors (see below), whose sum is σ = 34701508575240. Its totient is φ = 13346734067280.

The previous prime is 22022111211109. The next prime is 22022111211209. The reversal of 22022111211111 is 11111211122022.

It is a happy number.

22022111211111 is a `hidden beast` number, since 220 + 2 + 211 + 121 + 1 + 111 = 666.

It is not a de Polignac number, because 22022111211111 - 2¹ = 22022111211109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022111213111) 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 11 ways as a sum of consecutive naturals, for example, 111222783796 + ... + 111222783993.

It is an arithmetic number, because the mean of its divisors is an integer number (2891792381270).

Almost surely, 2^{22022111211111} is an apocalyptic number.

22022111211111 is a deficient number, since it is larger than the sum of its proper divisors (12679397364129).

22022111211111 is a wasteful number, since it uses less digits than its factorization.

22022111211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222445567806 (or 222445567803 counting only the distinct ones).

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

Adding to 22022111211111 its reverse (11111211122022), we get a palindrome (33133322333133).

It can be divided in two parts, 22022111 and 211111, that added together give a palindrome (22233222).

The spelling of 22022111211111 in words is "twenty-two trillion, twenty-two billion, one hundred eleven million, two hundred eleven thousand, one hundred eleven".