11020200222221 has 2 divisors, whose sum is σ = 11020200222222. Its totient is φ = 11020200222220.

The previous prime is 11020200222211. The next prime is 11020200222253. The reversal of 11020200222221 is 12222200202011.

It is a happy number.

11020200222221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11014526366596 + 5673855625 = 3318814^2 + 75325^2 .

It is a cyclic number.

It is not a de Polignac number, because 11020200222221 - 2¹⁴ = 11020200205837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11020200222221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11020200222211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510100111110 + 5510100111111.

It is an arithmetic number, because the mean of its divisors is an integer number (5510100111111).

Almost surely, 2^{11020200222221} is an apocalyptic number.

It is an amenable number.

11020200222221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020200222221 is an equidigital number, since it uses as much as digits as its factorization.

11020200222221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 11020200222221 its reverse (12222200202011), we get a palindrome (23242400424232).

The spelling of 11020200222221 in words is "eleven trillion, twenty billion, two hundred million, two hundred twenty-two thousand, two hundred twenty-one".