1113221203 has 2 divisors, whose sum is σ = 1113221204. Its totient is φ = 1113221202.

The previous prime is 1113221201. The next prime is 1113221209. The reversal of 1113221203 is 3021223111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1113221203 - 2¹ = 1113221201 is a prime.

It is a super-2 number, since 2×1113221203² = 2478522893617534418, which contains 22 as substring.

Together with 1113221201, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1113221201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556610601 + 556610602.

It is an arithmetic number, because the mean of its divisors is an integer number (556610602).

Almost surely, 2^1113221203 is an apocalyptic number.

1113221203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113221203 is an equidigital number, since it uses as much as digits as its factorization.

1113221203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1113221203 is about 33364.9696987724. The cubic root of 1113221203 is about 1036.3994086520.

Adding to 1113221203 its reverse (3021223111), we get a palindrome (4134444314).

The spelling of 1113221203 in words is "one billion, one hundred thirteen million, two hundred twenty-one thousand, two hundred three".