22012112201211 has 48 divisors (see below), whose sum is σ = 36728684074368. Its totient is φ = 12555041990400.

The previous prime is 22012112201153. The next prime is 22012112201227. The reversal of 22012112201211 is 11210221121022.

22012112201211 is a `hidden beast` number, since 2 + 20 + 1 + 211 + 220 + 1 + 211 = 666.

It is not a de Polignac number, because 22012112201211 - 2⁹ = 22012112200699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22012112201111) 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 47 ways as a sum of consecutive naturals, for example, 23758776 + ... + 24667866.

It is an arithmetic number, because the mean of its divisors is an integer number (765180918216).

Almost surely, 2^{22012112201211} is an apocalyptic number.

22012112201211 is a deficient number, since it is larger than the sum of its proper divisors (14716571873157).

22012112201211 is a wasteful number, since it uses less digits than its factorization.

22012112201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923512 (or 923509 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22012112201211 its reverse (11210221121022), we get a palindrome (33222333322233).

The spelling of 22012112201211 in words is "twenty-two trillion, twelve billion, one hundred twelve million, two hundred one thousand, two hundred eleven".