11331220202303 has 4 divisors (see below), whose sum is σ = 11335475263248. Its totient is φ = 11326965141360.

The previous prime is 11331220202287. The next prime is 11331220202317. The reversal of 11331220202303 is 30320202213311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11331220202303 - 2⁴ = 11331220202287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331220702303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2127526478 + ... + 2127531803.

It is an arithmetic number, because the mean of its divisors is an integer number (2833868815812).

Almost surely, 2^{11331220202303} is an apocalyptic number.

11331220202303 is a deficient number, since it is larger than the sum of its proper divisors (4255060945).

11331220202303 is an equidigital number, since it uses as much as digits as its factorization.

11331220202303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4255060944.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 11331220202303 its reverse (30320202213311), we get a palindrome (41651422415614).

The spelling of 11331220202303 in words is "eleven trillion, three hundred thirty-one billion, two hundred twenty million, two hundred two thousand, three hundred three".