1113320222221 has 2 divisors, whose sum is σ = 1113320222222. Its totient is φ = 1113320222220.

The previous prime is 1113320222213. The next prime is 1113320222257. The reversal of 1113320222221 is 1222220233111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1024002324900 + 89317897321 = 1011930^2 + 298861^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113320222221 - 2³ = 1113320222213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1113320222192 and 1113320222201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113320222821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556660111110 + 556660111111.

It is an arithmetic number, because the mean of its divisors is an integer number (556660111111).

Almost surely, 2^{1113320222221} is an apocalyptic number.

It is an amenable number.

1113320222221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113320222221 is an equidigital number, since it uses as much as digits as its factorization.

1113320222221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1113320222221 its reverse (1222220233111), we get a palindrome (2335540455332).

The spelling of 1113320222221 in words is "one trillion, one hundred thirteen billion, three hundred twenty million, two hundred twenty-two thousand, two hundred twenty-one".