11341332221 has 2 divisors, whose sum is σ = 11341332222. Its totient is φ = 11341332220.

The previous prime is 11341332217. The next prime is 11341332251. The reversal of 11341332221 is 12223314311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11271007225 + 70324996 = 106165^2 + 8386^2 .

It is a cyclic number.

It is not a de Polignac number, because 11341332221 - 2² = 11341332217 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11341332251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5670666110 + 5670666111.

It is an arithmetic number, because the mean of its divisors is an integer number (5670666111).

Almost surely, 2^11341332221 is an apocalyptic number.

It is an amenable number.

11341332221 is a deficient number, since it is larger than the sum of its proper divisors (1).

11341332221 is an equidigital number, since it uses as much as digits as its factorization.

11341332221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

Adding to 11341332221 its reverse (12223314311), we get a palindrome (23564646532).

The spelling of 11341332221 in words is "eleven billion, three hundred forty-one million, three hundred thirty-two thousand, two hundred twenty-one".