1001222110211 has 2 divisors, whose sum is σ = 1001222110212. Its totient is φ = 1001222110210.

The previous prime is 1001222110171. The next prime is 1001222110303. The reversal of 1001222110211 is 1120112221001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1001222110211 - 2¹⁰ = 1001222109187 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001222112211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500611055105 + 500611055106.

It is an arithmetic number, because the mean of its divisors is an integer number (500611055106).

Almost surely, 2^{1001222110211} is an apocalyptic number.

1001222110211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001222110211 is an equidigital number, since it uses as much as digits as its factorization.

1001222110211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1001222110211 its reverse (1120112221001), we get a palindrome (2121334331212).

The spelling of 1001222110211 in words is "one trillion, one billion, two hundred twenty-two million, one hundred ten thousand, two hundred eleven".