212222020011211 has 4 divisors (see below), whose sum is σ = 242539451441392. Its totient is φ = 181904588581032.

The previous prime is 212222020011203. The next prime is 212222020011217. The reversal of 212222020011211 is 112110020222212.

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 212222020011211 - 2³ = 212222020011203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212222020011217) 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, 15158715715080 + ... + 15158715715093.

It is an arithmetic number, because the mean of its divisors is an integer number (60634862860348).

Almost surely, 2^{212222020011211} is an apocalyptic number.

212222020011211 is a deficient number, since it is larger than the sum of its proper divisors (30317431430181).

212222020011211 is an equidigital number, since it uses as much as digits as its factorization.

212222020011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30317431430180.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212222020011211 its reverse (112110020222212), we get a palindrome (324332040233423).

The spelling of 212222020011211 in words is "two hundred twelve trillion, two hundred twenty-two billion, twenty million, eleven thousand, two hundred eleven".