11122221222241 has 2 divisors, whose sum is σ = 11122221222242. Its totient is φ = 11122221222240.

The previous prime is 11122221222191. The next prime is 11122221222271. The reversal of 11122221222241 is 14222212222111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7317755368225 + 3804465854016 = 2705135^2 + 1950504^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122221222241 - 2²⁷ = 11122087004513 is a prime.

It is not a weakly prime, because it can be changed into another prime (11122221222271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561110611120 + 5561110611121.

It is an arithmetic number, because the mean of its divisors is an integer number (5561110611121).

Almost surely, 2^{11122221222241} is an apocalyptic number.

It is an amenable number.

11122221222241 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122221222241 is an equidigital number, since it uses as much as digits as its factorization.

11122221222241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1024, while the sum is 25.

Adding to 11122221222241 its reverse (14222212222111), we get a palindrome (25344433444352).

The spelling of 11122221222241 in words is "eleven trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred forty-one".