11321113122 has 32 divisors (see below), whose sum is σ = 27445124160. Its totient is φ = 3430640160.

The previous prime is 11321113043. The next prime is 11321113171. The reversal of 11321113122 is 22131112311.

It is a super-2 number, since 2×11321113122² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11321113095 and 11321113104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9528963 + ... + 9530150.

It is an arithmetic number, because the mean of its divisors is an integer number (857660130).

Almost surely, 2^11321113122 is an apocalyptic number.

11321113122 is an abundant number, since it is smaller than the sum of its proper divisors (16124011038).

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

11321113122 is a wasteful number, since it uses less digits than its factorization.

11321113122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19059135 (or 19059129 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

Adding to 11321113122 its reverse (22131112311), we get a palindrome (33452225433).

The spelling of 11321113122 in words is "eleven billion, three hundred twenty-one million, one hundred thirteen thousand, one hundred twenty-two".