111003323120321 has 2 divisors, whose sum is σ = 111003323120322. Its totient is φ = 111003323120320.

The previous prime is 111003323120303. The next prime is 111003323120329. The reversal of 111003323120321 is 123021323300111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110752702735921 + 250620384400 = 10523911^2 + 500620^2 .

It is a cyclic number.

It is not a de Polignac number, because 111003323120321 - 2²⁶ = 111003256011457 is a prime.

It is not a weakly prime, because it can be changed into another prime (111003323120329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55501661560160 + 55501661560161.

It is an arithmetic number, because the mean of its divisors is an integer number (55501661560161).

Almost surely, 2^{111003323120321} is an apocalyptic number.

It is an amenable number.

111003323120321 is a deficient number, since it is larger than the sum of its proper divisors (1).

111003323120321 is an equidigital number, since it uses as much as digits as its factorization.

111003323120321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 111003323120321 its reverse (123021323300111), we get a palindrome (234024646420432).

The spelling of 111003323120321 in words is "one hundred eleven trillion, three billion, three hundred twenty-three million, one hundred twenty thousand, three hundred twenty-one".