1113321103 has 2 divisors, whose sum is σ = 1113321104. Its totient is φ = 1113321102.

The previous prime is 1113321067. The next prime is 1113321113. The reversal of 1113321103 is 3011233111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1113321103 - 2²¹ = 1111223951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113321113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556660551 + 556660552.

It is an arithmetic number, because the mean of its divisors is an integer number (556660552).

Almost surely, 2^1113321103 is an apocalyptic number.

1113321103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113321103 is an equidigital number, since it uses as much as digits as its factorization.

1113321103 is an evil number, because the sum of its binary digits is even.

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

The square root of 1113321103 is about 33366.4667443228. The cubic root of 1113321103 is about 1036.4304097395.

Adding to 1113321103 its reverse (3011233111), we get a palindrome (4124554214).

The spelling of 1113321103 in words is "one billion, one hundred thirteen million, three hundred twenty-one thousand, one hundred three".