11011133203 has 16 divisors (see below), whose sum is σ = 12640043520. Its totient is φ = 9396273600.

The previous prime is 11011133197. The next prime is 11011133219. The reversal of 11011133203 is 30233111011.

It is a de Polignac number, because none of the positive numbers 2^k-11011133203 is a prime.

It is a super-3 number, since 3×11011133203³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11011133303) 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 in 15 ways as a sum of consecutive naturals, for example, 2111263 + ... + 2116471.

It is an arithmetic number, because the mean of its divisors is an integer number (790002720).

Almost surely, 2^11011133203 is an apocalyptic number.

11011133203 is a deficient number, since it is larger than the sum of its proper divisors (1628910317).

11011133203 is an equidigital number, since it uses as much as digits as its factorization.

11011133203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6498.

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

Adding to 11011133203 its reverse (30233111011), we get a palindrome (41244244214).

The spelling of 11011133203 in words is "eleven billion, eleven million, one hundred thirty-three thousand, two hundred three".