11022222002021 has 2 divisors, whose sum is σ = 11022222002022. Its totient is φ = 11022222002020.

The previous prime is 11022222001993. The next prime is 11022222002053. The reversal of 11022222002021 is 12020022222011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9003066261121 + 2019155740900 = 3000511^2 + 1420970^2 .

It is a cyclic number.

It is not a de Polignac number, because 11022222002021 - 2²² = 11022217807717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11022222002521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5511111001010 + 5511111001011.

It is an arithmetic number, because the mean of its divisors is an integer number (5511111001011).

Almost surely, 2^{11022222002021} is an apocalyptic number.

It is an amenable number.

11022222002021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11022222002021 is an equidigital number, since it uses as much as digits as its factorization.

11022222002021 is an odious number, because the sum of its binary digits is odd.

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

Adding to 11022222002021 its reverse (12020022222011), we get a palindrome (23042244224032).

The spelling of 11022222002021 in words is "eleven trillion, twenty-two billion, two hundred twenty-two million, two thousand, twenty-one".