11010220202021 has 2 divisors, whose sum is σ = 11010220202022. Its totient is φ = 11010220202020.

The previous prime is 11010220201997. The next prime is 11010220202039. The reversal of 11010220202021 is 12020202201011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11005049872996 + 5170329025 = 3317386^2 + 71905^2 .

It is an emirp because it is prime and its reverse (12020202201011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11010220202021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11010220201987 and 11010220202005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11010220202621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505110101010 + 5505110101011.

It is an arithmetic number, because the mean of its divisors is an integer number (5505110101011).

Almost surely, 2^{11010220202021} is an apocalyptic number.

It is an amenable number.

11010220202021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11010220202021 is an equidigital number, since it uses as much as digits as its factorization.

11010220202021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11010220202021 its reverse (12020202201011), we get a palindrome (23030422403032).

The spelling of 11010220202021 in words is "eleven trillion, ten billion, two hundred twenty million, two hundred two thousand, twenty-one".