11223312221113 has 2 divisors, whose sum is σ = 11223312221114. Its totient is φ = 11223312221112.

The previous prime is 11223312221059. The next prime is 11223312221119. The reversal of 11223312221113 is 31112221332211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7549239817744 + 3674072403369 = 2747588^2 + 1916787^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11223312221113 is a prime.

It is not a weakly prime, because it can be changed into another prime (11223312221119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611656110556 + 5611656110557.

It is an arithmetic number, because the mean of its divisors is an integer number (5611656110557).

Almost surely, 2^{11223312221113} is an apocalyptic number.

It is an amenable number.

11223312221113 is a deficient number, since it is larger than the sum of its proper divisors (1).

11223312221113 is an equidigital number, since it uses as much as digits as its factorization.

11223312221113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 25.

Adding to 11223312221113 its reverse (31112221332211), we get a palindrome (42335533553324).

The spelling of 11223312221113 in words is "eleven trillion, two hundred twenty-three billion, three hundred twelve million, two hundred twenty-one thousand, one hundred thirteen".