22212201122211 has 4 divisors (see below), whose sum is σ = 29616268162952. Its totient is φ = 14808134081472.

The previous prime is 22212201122203. The next prime is 22212201122281. The reversal of 22212201122211 is 11222110221222.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22212201122211 - 2³ = 22212201122203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22212201122201) 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 3 ways as a sum of consecutive naturals, for example, 3702033520366 + ... + 3702033520371.

It is an arithmetic number, because the mean of its divisors is an integer number (7404067040738).

Almost surely, 2^{22212201122211} is an apocalyptic number.

22212201122211 is a deficient number, since it is larger than the sum of its proper divisors (7404067040741).

22212201122211 is an equidigital number, since it uses as much as digits as its factorization.

22212201122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7404067040740.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22212201122211 its reverse (11222110221222), we get a palindrome (33434311343433).

The spelling of 22212201122211 in words is "twenty-two trillion, two hundred twelve billion, two hundred one million, one hundred twenty-two thousand, two hundred eleven".