1013221103 has 2 divisors, whose sum is σ = 1013221104. Its totient is φ = 1013221102.

The previous prime is 1013221073. The next prime is 1013221109. The reversal of 1013221103 is 3011223101.

It is a strong prime.

It is an emirp because it is prime and its reverse (3011223101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1013221103 - 2⁶ = 1013221039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013221109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506610551 + 506610552.

It is an arithmetic number, because the mean of its divisors is an integer number (506610552).

Almost surely, 2^1013221103 is an apocalyptic number.

1013221103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013221103 is an equidigital number, since it uses as much as digits as its factorization.

1013221103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1013221103 is about 31831.1341770915. The cubic root of 1013221103 is about 1004.3877537918.

Adding to 1013221103 its reverse (3011223101), we get a palindrome (4024444204).

The spelling of 1013221103 in words is "one billion, thirteen million, two hundred twenty-one thousand, one hundred three".