201122212112211 has 12 divisors (see below), whose sum is σ = 290377631689368. Its totient is φ = 123767515145664.

The previous prime is 201122212112123. The next prime is 201122212112273. The reversal of 201122212112211 is 112211212221102.

It is not a de Polignac number, because 201122212112211 - 2¹³ = 201122212104019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201122212112011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198345376330 + ... + 198345377343.

It is an arithmetic number, because the mean of its divisors is an integer number (24198135974114).

Almost surely, 2^{201122212112211} is an apocalyptic number.

201122212112211 is a deficient number, since it is larger than the sum of its proper divisors (89255419577157).

201122212112211 is a wasteful number, since it uses less digits than its factorization.

201122212112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396690753702 (or 396690753689 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 201122212112211 its reverse (112211212221102), we get a palindrome (313333424333313).

The spelling of 201122212112211 in words is "two hundred one trillion, one hundred twenty-two billion, two hundred twelve million, one hundred twelve thousand, two hundred eleven".