11121130331 has 4 divisors (see below), whose sum is σ = 11706453000. Its totient is φ = 10535807664.

The previous prime is 11121130327. The next prime is 11121130333. The reversal of 11121130331 is 13303112111.

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 11121130331 - 2² = 11121130327 is a prime.

It is a super-2 number, since 2×11121130331² (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 (11121130333) 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, 292661306 + ... + 292661343.

It is an arithmetic number, because the mean of its divisors is an integer number (2926613250).

Almost surely, 2^11121130331 is an apocalyptic number.

11121130331 is a deficient number, since it is larger than the sum of its proper divisors (585322669).

11121130331 is an equidigital number, since it uses as much as digits as its factorization.

11121130331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585322668.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11121130331 its reverse (13303112111), we get a palindrome (24424242442).

The spelling of 11121130331 in words is "eleven billion, one hundred twenty-one million, one hundred thirty thousand, three hundred thirty-one".