11203220303 has 8 divisors (see below), whose sum is σ = 12940618320. Its totient is φ = 9585642880.

The previous prime is 11203220299. The next prime is 11203220311. The reversal of 11203220303 is 30302230211.

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

It is not a de Polignac number, because 11203220303 - 2² = 11203220299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203220323) 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 7 ways as a sum of consecutive naturals, for example, 29954948 + ... + 29955321.

It is an arithmetic number, because the mean of its divisors is an integer number (1617577290).

Almost surely, 2^11203220303 is an apocalyptic number.

11203220303 is a deficient number, since it is larger than the sum of its proper divisors (1737398017).

11203220303 is a wasteful number, since it uses less digits than its factorization.

11203220303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59910297.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 11203220303 its reverse (30302230211), we get a palindrome (41505450514).

The spelling of 11203220303 in words is "eleven billion, two hundred three million, two hundred twenty thousand, three hundred three".