212011220011211 has 2 divisors, whose sum is σ = 212011220011212. Its totient is φ = 212011220011210.

The previous prime is 212011220011121. The next prime is 212011220011237. The reversal of 212011220011211 is 112110022110212.

Together with previous prime (212011220011121) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212011220011211 - 2³⁰ = 212010146269387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212011220011211.

It is not a weakly prime, because it can be changed into another prime (212011220011271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005610005605 + 106005610005606.

It is an arithmetic number, because the mean of its divisors is an integer number (106005610005606).

Almost surely, 2^{212011220011211} is an apocalyptic number.

212011220011211 is a deficient number, since it is larger than the sum of its proper divisors (1).

212011220011211 is an equidigital number, since it uses as much as digits as its factorization.

212011220011211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212011220011211 its reverse (112110022110212), we get a palindrome (324121242121423).

The spelling of 212011220011211 in words is "two hundred twelve trillion, eleven billion, two hundred twenty million, eleven thousand, two hundred eleven".