212211120221011 has 2 divisors, whose sum is σ = 212211120221012. Its totient is φ = 212211120221010.

The previous prime is 212211120220973. The next prime is 212211120221063. The reversal of 212211120221011 is 110122021112212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212211120221011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212211120221011.

It is not a weakly prime, because it can be changed into another prime (212211120227011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106105560110505 + 106105560110506.

It is an arithmetic number, because the mean of its divisors is an integer number (106105560110506).

Almost surely, 2^{212211120221011} is an apocalyptic number.

212211120221011 is a deficient number, since it is larger than the sum of its proper divisors (1).

212211120221011 is an equidigital number, since it uses as much as digits as its factorization.

212211120221011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212211120221011 its reverse (110122021112212), we get a palindrome (322333141333223).

The spelling of 212211120221011 in words is "two hundred twelve trillion, two hundred eleven billion, one hundred twenty million, two hundred twenty-one thousand, eleven".