22012220112211 has 32 divisors (see below), whose sum is σ = 26898776690688. Its totient is φ = 17601922440960.

The previous prime is 22012220112139. The next prime is 22012220112227. The reversal of 22012220112211 is 11221102221022.

It is a cyclic number.

It is not a de Polignac number, because 22012220112211 - 2¹⁹ = 22012219587923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22012220112241) 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 31 ways as a sum of consecutive naturals, for example, 22000221 + ... + 22978993.

It is an arithmetic number, because the mean of its divisors is an integer number (840586771584).

Almost surely, 2^{22012220112211} is an apocalyptic number.

22012220112211 is a deficient number, since it is larger than the sum of its proper divisors (4886556578477).

22012220112211 is a wasteful number, since it uses less digits than its factorization.

22012220112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982251.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22012220112211 its reverse (11221102221022), we get a palindrome (33233322333233).

The spelling of 22012220112211 in words is "twenty-two trillion, twelve billion, two hundred twenty million, one hundred twelve thousand, two hundred eleven".