11010022021 has 2 divisors, whose sum is σ = 11010022022. Its totient is φ = 11010022020.

The previous prime is 11010021983. The next prime is 11010022027. The reversal of 11010022021 is 12022001011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9811893025 + 1198128996 = 99055^2 + 34614^2 .

It is a cyclic number.

It is not a de Polignac number, because 11010022021 - 2⁹ = 11010021509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11010021989 and 11010022007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11010022027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505011010 + 5505011011.

It is an arithmetic number, because the mean of its divisors is an integer number (5505011011).

Almost surely, 2^11010022021 is an apocalyptic number.

It is an amenable number.

11010022021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11010022021 is an equidigital number, since it uses as much as digits as its factorization.

11010022021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11010022021 its reverse (12022001011), we get a palindrome (23032023032).

The spelling of 11010022021 in words is "eleven billion, ten million, twenty-two thousand, twenty-one".