111383503321 has 2 divisors, whose sum is σ = 111383503322. Its totient is φ = 111383503320.

The previous prime is 111383503291. The next prime is 111383503339. The reversal of 111383503321 is 123305383111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102440964096 + 8942539225 = 320064^2 + 94565^2 .

It is a cyclic number.

It is not a de Polignac number, because 111383503321 - 2⁷ = 111383503193 is a prime.

It is not a weakly prime, because it can be changed into another prime (111383503421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55691751660 + 55691751661.

It is an arithmetic number, because the mean of its divisors is an integer number (55691751661).

Almost surely, 2^111383503321 is an apocalyptic number.

It is an amenable number.

111383503321 is a deficient number, since it is larger than the sum of its proper divisors (1).

111383503321 is an equidigital number, since it uses as much as digits as its factorization.

111383503321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 31.

Adding to 111383503321 its reverse (123305383111), we get a palindrome (234688886432).

The spelling of 111383503321 in words is "one hundred eleven billion, three hundred eighty-three million, five hundred three thousand, three hundred twenty-one".