11121113320 has 32 divisors (see below), whose sum is σ = 25027940520. Its totient is φ = 4447479040.

The previous prime is 11121113309. The next prime is 11121113327. The reversal of 11121113320 is 2331112111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11008626084 + 112487236 = 104922^2 + 10606^2 .

It is a super-2 number, since 2×11121113320² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11121113294 and 11121113303.

It is not an unprimeable number, because it can be changed into a prime (11121113327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173154 + ... + 228526.

Almost surely, 2^11121113320 is an apocalyptic number.

11121113320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121113320 is an abundant number, since it is smaller than the sum of its proper divisors (13906827200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11121113320 is a wasteful number, since it uses less digits than its factorization.

11121113320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60405 (or 60401 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11121113320 its reverse (2331112111), we get a palindrome (13452225431).

The spelling of 11121113320 in words is "eleven billion, one hundred twenty-one million, one hundred thirteen thousand, three hundred twenty".