11033312203 has 4 divisors (see below), whose sum is σ = 11130952248. Its totient is φ = 10935672160.

The previous prime is 11033312197. The next prime is 11033312219. The reversal of 11033312203 is 30221333011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30221333011 = 953 ⋅31711787.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11033312203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11033312803) 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 in 3 ways as a sum of consecutive naturals, for example, 48819853 + ... + 48820078.

It is an arithmetic number, because the mean of its divisors is an integer number (2782738062).

Almost surely, 2^11033312203 is an apocalyptic number.

11033312203 is a deficient number, since it is larger than the sum of its proper divisors (97640045).

11033312203 is an equidigital number, since it uses as much as digits as its factorization.

11033312203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97640044.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 11033312203 its reverse (30221333011), we get a palindrome (41254645214).

The spelling of 11033312203 in words is "eleven billion, thirty-three million, three hundred twelve thousand, two hundred three".