212202020011211 has 4 divisors (see below), whose sum is σ = 212831699596152. Its totient is φ = 211572340426272.

The previous prime is 212202020011129. The next prime is 212202020011237. The reversal of 212202020011211 is 112110020202212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212202020011211 - 2³⁴ = 212184840142027 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 212202020011211.

It is not an unprimeable number, because it can be changed into a prime (212202020091211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 314839791965 + ... + 314839792638.

It is an arithmetic number, because the mean of its divisors is an integer number (53207924899038).

Almost surely, 2^{212202020011211} is an apocalyptic number.

212202020011211 is a deficient number, since it is larger than the sum of its proper divisors (629679584941).

212202020011211 is an equidigital number, since it uses as much as digits as its factorization.

212202020011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629679584940.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 212202020011211 its reverse (112110020202212), we get a palindrome (324312040213423).

The spelling of 212202020011211 in words is "two hundred twelve trillion, two hundred two billion, twenty million, eleven thousand, two hundred eleven".