11020312203 has 8 divisors (see below), whose sum is σ = 15558087888. Its totient is φ = 6914705664.

The previous prime is 11020312183. The next prime is 11020312241. The reversal of 11020312203 is 30221302011.

11020312203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11020312203 - 2⁶ = 11020312139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11020312273) 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 in 7 ways as a sum of consecutive naturals, for example, 108042226 + ... + 108042327.

It is an arithmetic number, because the mean of its divisors is an integer number (1944760986).

Almost surely, 2^11020312203 is an apocalyptic number.

11020312203 is a deficient number, since it is larger than the sum of its proper divisors (4537775685).

11020312203 is a wasteful number, since it uses less digits than its factorization.

11020312203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216084573.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 11020312203 its reverse (30221302011), we get a palindrome (41241614214).

The spelling of 11020312203 in words is "eleven billion, twenty million, three hundred twelve thousand, two hundred three".