22135221355241 has 2 divisors, whose sum is σ = 22135221355242. Its totient is φ = 22135221355240.

The previous prime is 22135221355207. The next prime is 22135221355243. The reversal of 22135221355241 is 14255312253122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21990669315241 + 144552040000 = 4689421^2 + 380200^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22135221355241 is a prime.

Together with 22135221355243, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22135221355195 and 22135221355204.

It is not a weakly prime, because it can be changed into another prime (22135221355243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11067610677620 + 11067610677621.

It is an arithmetic number, because the mean of its divisors is an integer number (11067610677621).

Almost surely, 2^{22135221355241} is an apocalyptic number.

It is an amenable number.

22135221355241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22135221355241 is an equidigital number, since it uses as much as digits as its factorization.

22135221355241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144000, while the sum is 38.

The spelling of 22135221355241 in words is "twenty-two trillion, one hundred thirty-five billion, two hundred twenty-one million, three hundred fifty-five thousand, two hundred forty-one".