212202021222211 has 8 divisors (see below), whose sum is σ = 214837452898848. Its totient is φ = 209577068400000.

The previous prime is 212202021222173. The next prime is 212202021222259. The reversal of 212202021222211 is 112222120202212.

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

It is a cyclic number.

It is not a de Polignac number, because 212202021222211 - 2¹⁹ = 212202020697923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212202021222511) 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, 2619672855 + ... + 2619753856.

It is an arithmetic number, because the mean of its divisors is an integer number (26854681612356).

Almost surely, 2^{212202021222211} is an apocalyptic number.

212202021222211 is a deficient number, since it is larger than the sum of its proper divisors (2635431676637).

212202021222211 is a wasteful number, since it uses less digits than its factorization.

212202021222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5239427213.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 212202021222211 its reverse (112222120202212), we get a palindrome (324424141424423).

The spelling of 212202021222211 in words is "two hundred twelve trillion, two hundred two billion, twenty-one million, two hundred twenty-two thousand, two hundred eleven".