11020212212201 has 2 divisors, whose sum is σ = 11020212212202. Its totient is φ = 11020212212200.

The previous prime is 11020212212189. The next prime is 11020212212203. The reversal of 11020212212201 is 10221221202011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10632157968601 + 388054243600 = 3260699^2 + 622940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11020212212201 is a prime.

Together with 11020212212203, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11020212212201.

It is not a weakly prime, because it can be changed into another prime (11020212212203) 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, 5510106106100 + 5510106106101.

It is an arithmetic number, because the mean of its divisors is an integer number (5510106106101).

Almost surely, 2^{11020212212201} is an apocalyptic number.

It is an amenable number.

11020212212201 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020212212201 is an equidigital number, since it uses as much as digits as its factorization.

11020212212201 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 11020212212201 its reverse (10221221202011), we get a palindrome (21241433414212).

The spelling of 11020212212201 in words is "eleven trillion, twenty billion, two hundred twelve million, two hundred twelve thousand, two hundred one".