212201212222211 has 8 divisors (see below), whose sum is σ = 214819963179120. Its totient is φ = 209594230933248.

The previous prime is 212201212222199. The next prime is 212201212222243. The reversal of 212201212222211 is 112222212102212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212201212222211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212201212272211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2942380706 + ... + 2942452823.

It is an arithmetic number, because the mean of its divisors is an integer number (26852495397390).

Almost surely, 2^{212201212222211} is an apocalyptic number.

212201212222211 is a deficient number, since it is larger than the sum of its proper divisors (2618750956909).

212201212222211 is a wasteful number, since it uses less digits than its factorization.

212201212222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5884833973.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 212201212222211 its reverse (112222212102212), we get a palindrome (324423424324423).

The spelling of 212201212222211 in words is "two hundred twelve trillion, two hundred one billion, two hundred twelve million, two hundred twenty-two thousand, two hundred eleven".