1101321103 has 2 divisors, whose sum is σ = 1101321104. Its totient is φ = 1101321102.

The previous prime is 1101321017. The next prime is 1101321113. The reversal of 1101321103 is 3011231011.

It is a strong prime.

It is an emirp because it is prime and its reverse (3011231011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1101321103 - 2¹⁷ = 1101190031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101321113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550660551 + 550660552.

It is an arithmetic number, because the mean of its divisors is an integer number (550660552).

Almost surely, 2^1101321103 is an apocalyptic number.

1101321103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101321103 is an equidigital number, since it uses as much as digits as its factorization.

1101321103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1101321103 is about 33186.1583043292. The cubic root of 1101321103 is about 1032.6932072037.

Adding to 1101321103 its reverse (3011231011), we get a palindrome (4112552114).

The spelling of 1101321103 in words is "one billion, one hundred one million, three hundred twenty-one thousand, one hundred three".