11331120203 has 8 divisors (see below), whose sum is σ = 12216036000. Its totient is φ = 10448103168.

The previous prime is 11331120187. The next prime is 11331120221. The reversal of 11331120203 is 30202113311.

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

It is a cyclic number.

It is not a de Polignac number, because 11331120203 - 2⁴ = 11331120187 is a prime.

It is a super-2 number, since 2×11331120203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331122203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462278 + ... + 486171.

It is an arithmetic number, because the mean of its divisors is an integer number (1527004500).

Almost surely, 2^11331120203 is an apocalyptic number.

11331120203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11331120203 is a deficient number, since it is larger than the sum of its proper divisors (884915797).

11331120203 is an equidigital number, since it uses as much as digits as its factorization.

11331120203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949381.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11331120203 its reverse (30202113311), we get a palindrome (41533233514).

The spelling of 11331120203 in words is "eleven billion, three hundred thirty-one million, one hundred twenty thousand, two hundred three".