211202212020011 has 2 divisors, whose sum is σ = 211202212020012. Its totient is φ = 211202212020010.

The previous prime is 211202212020001. The next prime is 211202212020061. The reversal of 211202212020011 is 110020212202112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211202212020011 is a prime.

It is not a weakly prime, because it can be changed into another prime (211202212020001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105601106010005 + 105601106010006.

It is an arithmetic number, because the mean of its divisors is an integer number (105601106010006).

Almost surely, 2^{211202212020011} is an apocalyptic number.

211202212020011 is a deficient number, since it is larger than the sum of its proper divisors (1).

211202212020011 is an equidigital number, since it uses as much as digits as its factorization.

211202212020011 is an odious number, because the sum of its binary digits is odd.

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

Adding to 211202212020011 its reverse (110020212202112), we get a palindrome (321222424222123).

The spelling of 211202212020011 in words is "two hundred eleven trillion, two hundred two billion, two hundred twelve million, twenty thousand, eleven".