22100212241 has 2 divisors, whose sum is σ = 22100212242. Its totient is φ = 22100212240.

The previous prime is 22100212237. The next prime is 22100212249. The reversal of 22100212241 is 14221200122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12055161616 + 10045050625 = 109796^2 + 100225^2 .

It is a cyclic number.

It is not a de Polignac number, because 22100212241 - 2² = 22100212237 is a prime.

It is not a weakly prime, because it can be changed into another prime (22100212249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050106120 + 11050106121.

It is an arithmetic number, because the mean of its divisors is an integer number (11050106121).

Almost surely, 2^22100212241 is an apocalyptic number.

It is an amenable number.

22100212241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100212241 is an equidigital number, since it uses as much as digits as its factorization.

22100212241 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 22100212241 its reverse (14221200122), we get a palindrome (36321412363).

The spelling of 22100212241 in words is "twenty-two billion, one hundred million, two hundred twelve thousand, two hundred forty-one".