1100221222241 has 2 divisors, whose sum is σ = 1100221222242. Its totient is φ = 1100221222240.

The previous prime is 1100221222181. The next prime is 1100221222267. The reversal of 1100221222241 is 1422221220011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 734613553216 + 365607669025 = 857096^2 + 604655^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100221222241 - 2¹⁰ = 1100221221217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100221222271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550110611120 + 550110611121.

It is an arithmetic number, because the mean of its divisors is an integer number (550110611121).

Almost surely, 2^{1100221222241} is an apocalyptic number.

It is an amenable number.

1100221222241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100221222241 is an equidigital number, since it uses as much as digits as its factorization.

1100221222241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 1100221222241 its reverse (1422221220011), we get a palindrome (2522442442252).

The spelling of 1100221222241 in words is "one trillion, one hundred billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred forty-one".