22021102241 has 2 divisors, whose sum is σ = 22021102242. Its totient is φ = 22021102240.

The previous prime is 22021102223. The next prime is 22021102253. The reversal of 22021102241 is 14220112022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12843462241 + 9177640000 = 113329^2 + 95800^2 .

It is a cyclic number.

It is not a de Polignac number, because 22021102241 - 2¹⁴ = 22021085857 is a prime.

It is not a weakly prime, because it can be changed into another prime (22021102211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010551120 + 11010551121.

It is an arithmetic number, because the mean of its divisors is an integer number (11010551121).

Almost surely, 2^22021102241 is an apocalyptic number.

It is an amenable number.

22021102241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021102241 is an equidigital number, since it uses as much as digits as its factorization.

22021102241 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 22021102241 its reverse (14220112022), we get a palindrome (36241214263).

The spelling of 22021102241 in words is "twenty-two billion, twenty-one million, one hundred two thousand, two hundred forty-one".