103111003321 has 2 divisors, whose sum is σ = 103111003322. Its totient is φ = 103111003320.

The previous prime is 103111003243. The next prime is 103111003327. The reversal of 103111003321 is 123300111301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61102401721 + 42008601600 = 247189^2 + 204960^2 .

It is a cyclic number.

It is not a de Polignac number, because 103111003321 - 2¹³ = 103110995129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103111003295 and 103111003304.

It is not a weakly prime, because it can be changed into another prime (103111003327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51555501660 + 51555501661.

It is an arithmetic number, because the mean of its divisors is an integer number (51555501661).

Almost surely, 2^103111003321 is an apocalyptic number.

It is an amenable number.

103111003321 is a deficient number, since it is larger than the sum of its proper divisors (1).

103111003321 is an equidigital number, since it uses as much as digits as its factorization.

103111003321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 103111003321 its reverse (123300111301), we get a palindrome (226411114622).

The spelling of 103111003321 in words is "one hundred three billion, one hundred eleven million, three thousand, three hundred twenty-one".