1103205352321 has 2 divisors, whose sum is σ = 1103205352322. Its totient is φ = 1103205352320.

The previous prime is 1103205352303. The next prime is 1103205352339. The reversal of 1103205352321 is 1232535023011.

It is a balanced prime because it is at equal distance from previous prime (1103205352303) and next prime (1103205352339).

It can be written as a sum of positive squares in only one way, i.e., 676195380721 + 427009971600 = 822311^2 + 653460^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103205352321 - 2¹⁷ = 1103205221249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1103205352321.

It is not a weakly prime, because it can be changed into another prime (1103205352021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551602676160 + 551602676161.

It is an arithmetic number, because the mean of its divisors is an integer number (551602676161).

Almost surely, 2^{1103205352321} is an apocalyptic number.

It is an amenable number.

1103205352321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103205352321 is an equidigital number, since it uses as much as digits as its factorization.

1103205352321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 1103205352321 in words is "one trillion, one hundred three billion, two hundred five million, three hundred fifty-two thousand, three hundred twenty-one".