11002022021 has 2 divisors, whose sum is σ = 11002022022. Its totient is φ = 11002022020.

The previous prime is 11002021967. The next prime is 11002022069. The reversal of 11002022021 is 12022020011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6474616225 + 4527405796 = 80465^2 + 67286^2 .

It is a cyclic number.

It is not a de Polignac number, because 11002022021 - 2¹⁸ = 11001759877 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11002021993 and 11002022011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11002022921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5501011010 + 5501011011.

It is an arithmetic number, because the mean of its divisors is an integer number (5501011011).

Almost surely, 2^11002022021 is an apocalyptic number.

It is an amenable number.

11002022021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11002022021 is an equidigital number, since it uses as much as digits as its factorization.

11002022021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11002022021 its reverse (12022020011), we get a palindrome (23024042032).

The spelling of 11002022021 in words is "eleven billion, two million, twenty-two thousand, twenty-one".