22110332021 has 2 divisors, whose sum is σ = 22110332022. Its totient is φ = 22110332020.

The previous prime is 22110331993. The next prime is 22110332051. The reversal of 22110332021 is 12023301122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21428860996 + 681471025 = 146386^2 + 26105^2 .

It is a cyclic number.

It is not a de Polignac number, because 22110332021 - 2²⁶ = 22043223157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22110332051) 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, 11055166010 + 11055166011.

It is an arithmetic number, because the mean of its divisors is an integer number (11055166011).

Almost surely, 2^22110332021 is an apocalyptic number.

It is an amenable number.

22110332021 is a deficient number, since it is larger than the sum of its proper divisors (1).

22110332021 is an equidigital number, since it uses as much as digits as its factorization.

22110332021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22110332021 its reverse (12023301122), we get a palindrome (34133633143).

The spelling of 22110332021 in words is "twenty-two billion, one hundred ten million, three hundred thirty-two thousand, twenty-one".