11121120203 has 8 divisors (see below), whose sum is σ = 11482147200. Its totient is φ = 10760235840.

The previous prime is 11121120191. The next prime is 11121120211. The reversal of 11121120203 is 30202112111.

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 11121120203 - 2¹² = 11121116107 is a prime.

It is a super-2 number, since 2×11121120203² (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 (11121129203) 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, 136001 + ... + 201837.

It is an arithmetic number, because the mean of its divisors is an integer number (1435268400).

Almost surely, 2^11121120203 is an apocalyptic number.

11121120203 is a deficient number, since it is larger than the sum of its proper divisors (361026997).

11121120203 is an equidigital number, since it uses as much as digits as its factorization.

11121120203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71317.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11121120203 its reverse (30202112111), we get a palindrome (41323232314).

The spelling of 11121120203 in words is "eleven billion, one hundred twenty-one million, one hundred twenty thousand, two hundred three".