11221123313 has 2 divisors, whose sum is σ = 11221123314. Its totient is φ = 11221123312.

The previous prime is 11221123307. The next prime is 11221123337. The reversal of 11221123313 is 31332112211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7460122384 + 3761000929 = 86372^2 + 61327^2 .

It is a cyclic number.

It is not a de Polignac number, because 11221123313 - 2¹⁴ = 11221106929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11221123363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610561656 + 5610561657.

It is an arithmetic number, because the mean of its divisors is an integer number (5610561657).

Almost surely, 2^11221123313 is an apocalyptic number.

It is an amenable number.

11221123313 is a deficient number, since it is larger than the sum of its proper divisors (1).

11221123313 is an equidigital number, since it uses as much as digits as its factorization.

11221123313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 20.

Adding to 11221123313 its reverse (31332112211), we get a palindrome (42553235524).

The spelling of 11221123313 in words is "eleven billion, two hundred twenty-one million, one hundred twenty-three thousand, three hundred thirteen".