11022202021 has 2 divisors, whose sum is σ = 11022202022. Its totient is φ = 11022202020.

The previous prime is 11022202007. The next prime is 11022202027. The reversal of 11022202021 is 12020222011.

It is a happy number.

11022202021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10709973121 + 312228900 = 103489^2 + 17670^2 .

It is a cyclic number.

It is not a de Polignac number, because 11022202021 - 2³¹ = 8874718373 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11022201992 and 11022202010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11022202027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5511101010 + 5511101011.

It is an arithmetic number, because the mean of its divisors is an integer number (5511101011).

Almost surely, 2^11022202021 is an apocalyptic number.

It is an amenable number.

11022202021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11022202021 is an equidigital number, since it uses as much as digits as its factorization.

11022202021 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 13.

Adding to 11022202021 its reverse (12020222011), we get a palindrome (23042424032).

The spelling of 11022202021 in words is "eleven billion, twenty-two million, two hundred two thousand, twenty-one".