11326100221 has 2 divisors, whose sum is σ = 11326100222. Its totient is φ = 11326100220.

The previous prime is 11326100189. The next prime is 11326100231. The reversal of 11326100221 is 12200162311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6452105625 + 4873994596 = 80325^2 + 69814^2 .

It is an emirp because it is prime and its reverse (12200162311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11326100221 - 2⁵ = 11326100189 is a prime.

It is a super-2 number, since 2×11326100221² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11326100231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5663050110 + 5663050111.

It is an arithmetic number, because the mean of its divisors is an integer number (5663050111).

Almost surely, 2^11326100221 is an apocalyptic number.

It is an amenable number.

11326100221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11326100221 is an equidigital number, since it uses as much as digits as its factorization.

11326100221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 11326100221 its reverse (12200162311), we get a palindrome (23526262532).

The spelling of 11326100221 in words is "eleven billion, three hundred twenty-six million, one hundred thousand, two hundred twenty-one".