2212201111211 has 16 divisors (see below), whose sum is σ = 2763346516224. Its totient is φ = 1724188888224.

The previous prime is 2212201111163. The next prime is 2212201111361. The reversal of 2212201111211 is 1121111022122.

It is a cyclic number.

It is not a de Polignac number, because 2212201111211 - 2²² = 2212196916907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2212201111211.

It is not an unprimeable number, because it can be changed into a prime (2212201111111) 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 in 15 ways as a sum of consecutive naturals, for example, 181411085 + ... + 181423278.

It is an arithmetic number, because the mean of its divisors is an integer number (172709157264).

Almost surely, 2^{2212201111211} is an apocalyptic number.

2212201111211 is a deficient number, since it is larger than the sum of its proper divisors (551145405013).

2212201111211 is a wasteful number, since it uses less digits than its factorization.

2212201111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362834450.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2212201111211 its reverse (1121111022122), we get a palindrome (3333312133333).

The spelling of 2212201111211 in words is "two trillion, two hundred twelve billion, two hundred one million, one hundred eleven thousand, two hundred eleven".