212222200000211 has 16 divisors (see below), whose sum is σ = 219885840194400. Its totient is φ = 204581668101888.

The previous prime is 212222200000177. The next prime is 212222200000273. The reversal of 212222200000211 is 112000002222212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 212222200000211 - 2³⁰ = 212221126258387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212222200000211.

It is not an unprimeable number, because it can be changed into a prime (212222200003211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180787655 + ... + 181957743.

It is an arithmetic number, because the mean of its divisors is an integer number (13742865012150).

Almost surely, 2^{212222200000211} is an apocalyptic number.

212222200000211 is a deficient number, since it is larger than the sum of its proper divisors (7663640194189).

212222200000211 is a wasteful number, since it uses less digits than its factorization.

212222200000211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179958.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 212222200000211 its reverse (112000002222212), we get a palindrome (324222202222423).

The spelling of 212222200000211 in words is "two hundred twelve trillion, two hundred twenty-two billion, two hundred million, two hundred eleven", and thus it is an aban number.