11242122110221 has 2 divisors, whose sum is σ = 11242122110222. Its totient is φ = 11242122110220.

The previous prime is 11242122110207. The next prime is 11242122110231. The reversal of 11242122110221 is 12201122124211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7482358452100 + 3759763658121 = 2735390^2 + 1939011^2 .

It is a cyclic number.

It is not a de Polignac number, because 11242122110221 - 2⁹ = 11242122109709 is a prime.

It is a super-2 number, since 2×11242122110221² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11242122110192 and 11242122110201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11242122110231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5621061055110 + 5621061055111.

It is an arithmetic number, because the mean of its divisors is an integer number (5621061055111).

Almost surely, 2^{11242122110221} is an apocalyptic number.

It is an amenable number.

11242122110221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11242122110221 is an equidigital number, since it uses as much as digits as its factorization.

11242122110221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 11242122110221 its reverse (12201122124211), we get a palindrome (23443244234432).

The spelling of 11242122110221 in words is "eleven trillion, two hundred forty-two billion, one hundred twenty-two million, one hundred ten thousand, two hundred twenty-one".