22012221010211 has 2 divisors, whose sum is σ = 22012221010212. Its totient is φ = 22012221010210.

The previous prime is 22012221010201. The next prime is 22012221010259. The reversal of 22012221010211 is 11201012221022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22012221010211 - 2¹⁰ = 22012221009187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22012221010211.

It is not a weakly prime, because it can be changed into another prime (22012221010201) 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 as a sum of consecutive naturals, namely, 11006110505105 + 11006110505106.

It is an arithmetic number, because the mean of its divisors is an integer number (11006110505106).

Almost surely, 2^{22012221010211} is an apocalyptic number.

22012221010211 is a deficient number, since it is larger than the sum of its proper divisors (1).

22012221010211 is an equidigital number, since it uses as much as digits as its factorization.

22012221010211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22012221010211 its reverse (11201012221022), we get a palindrome (33213233231233).

The spelling of 22012221010211 in words is "twenty-two trillion, twelve billion, two hundred twenty-one million, ten thousand, two hundred eleven".