11331121223003 has 4 divisors (see below), whose sum is σ = 11516877308688. Its totient is φ = 11145365137320.

The previous prime is 11331121222913. The next prime is 11331121223011. The reversal of 11331121223003 is 30032212113311.

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 11331121223003 - 2⁸ = 11331121222747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11331121223003.

It is not an unprimeable number, because it can be changed into a prime (11331121223033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92878042751 + ... + 92878042872.

It is an arithmetic number, because the mean of its divisors is an integer number (2879219327172).

Almost surely, 2^{11331121223003} is an apocalyptic number.

11331121223003 is a deficient number, since it is larger than the sum of its proper divisors (185756085685).

11331121223003 is an equidigital number, since it uses as much as digits as its factorization.

11331121223003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185756085684.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 11331121223003 its reverse (30032212113311), we get a palindrome (41363333336314).

The spelling of 11331121223003 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-one million, two hundred twenty-three thousand, three".