22102111222241 has 2 divisors, whose sum is σ = 22102111222242. Its totient is φ = 22102111222240.

The previous prime is 22102111222189. The next prime is 22102111222351. The reversal of 22102111222241 is 14222211120122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22079388674641 + 22722547600 = 4698871^2 + 150740^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22102111222241 is a prime.

It is not a weakly prime, because it can be changed into another prime (22102111222441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051055611120 + 11051055611121.

It is an arithmetic number, because the mean of its divisors is an integer number (11051055611121).

Almost surely, 2^{22102111222241} is an apocalyptic number.

It is an amenable number.

22102111222241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22102111222241 is an equidigital number, since it uses as much as digits as its factorization.

22102111222241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 22102111222241 its reverse (14222211120122), we get a palindrome (36324322342363).

The spelling of 22102111222241 in words is "twenty-two trillion, one hundred two billion, one hundred eleven million, two hundred twenty-two thousand, two hundred forty-one".