2122201222211 has 64 divisors (see below), whose sum is σ = 2685152870400. Its totient is φ = 1635337123200.

The previous prime is 2122201222151. The next prime is 2122201222213. The reversal of 2122201222211 is 1122221022212.

It is a cyclic number.

It is not a de Polignac number, because 2122201222211 - 2¹⁰ = 2122201221187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122201222213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 243060716 + ... + 243069446.

It is an arithmetic number, because the mean of its divisors is an integer number (41955513600).

Almost surely, 2^{2122201222211} is an apocalyptic number.

2122201222211 is a deficient number, since it is larger than the sum of its proper divisors (562951648189).

2122201222211 is a wasteful number, since it uses less digits than its factorization.

2122201222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9400.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2122201222211 its reverse (1122221022212), we get a palindrome (3244422244423).

The spelling of 2122201222211 in words is "two trillion, one hundred twenty-two billion, two hundred one million, two hundred twenty-two thousand, two hundred eleven".