1111213303 has 2 divisors, whose sum is σ = 1111213304. Its totient is φ = 1111213302.

The previous prime is 1111213273. The next prime is 1111213319. The reversal of 1111213303 is 3033121111.

It is an a-pointer prime, because the next prime (1111213319) can be obtained adding 1111213303 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111213303 - 2¹³ = 1111205111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111213343) 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, 555606651 + 555606652.

It is an arithmetic number, because the mean of its divisors is an integer number (555606652).

Almost surely, 2^1111213303 is an apocalyptic number.

1111213303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111213303 is an equidigital number, since it uses as much as digits as its factorization.

1111213303 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.

The square root of 1111213303 is about 33334.8661764225. The cubic root of 1111213303 is about 1035.7759210738.

Adding to 1111213303 its reverse (3033121111), we get a palindrome (4144334414).

The spelling of 1111213303 in words is "one billion, one hundred eleven million, two hundred thirteen thousand, three hundred three".