1111233320203 has 2 divisors, whose sum is σ = 1111233320204. Its totient is φ = 1111233320202.

The previous prime is 1111233320191. The next prime is 1111233320273. The reversal of 1111233320203 is 3020233321111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1111233320203 - 2²¹ = 1111231223051 is a prime.

It is a super-2 number, since 2×1111233320203² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1111233320273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555616660101 + 555616660102.

It is an arithmetic number, because the mean of its divisors is an integer number (555616660102).

Almost surely, 2^{1111233320203} is an apocalyptic number.

1111233320203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111233320203 is an equidigital number, since it uses as much as digits as its factorization.

1111233320203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1111233320203 its reverse (3020233321111), we get a palindrome (4131466641314).

The spelling of 1111233320203 in words is "one trillion, one hundred eleven billion, two hundred thirty-three million, three hundred twenty thousand, two hundred three".