2221201110211 has 2 divisors, whose sum is σ = 2221201110212. Its totient is φ = 2221201110210.

The previous prime is 2221201110181. The next prime is 2221201110217. The reversal of 2221201110211 is 1120111021222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221201110211 - 2¹⁵ = 2221201077443 is a prime.

It is not a weakly prime, because it can be changed into another prime (2221201110217) 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, 1110600555105 + 1110600555106.

It is an arithmetic number, because the mean of its divisors is an integer number (1110600555106).

Almost surely, 2^{2221201110211} is an apocalyptic number.

2221201110211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221201110211 is an equidigital number, since it uses as much as digits as its factorization.

2221201110211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2221201110211 its reverse (1120111021222), we get a palindrome (3341312131433).

It can be divided in two parts, 22212011 and 10211, that added together give a palindrome (22222222).

The spelling of 2221201110211 in words is "two trillion, two hundred twenty-one billion, two hundred one million, one hundred ten thousand, two hundred eleven".