11121122011320 has 96 divisors (see below), whose sum is σ = 36144529920720. Its totient is φ = 2965560053760.

The previous prime is 11121122011289. The next prime is 11121122011403. The reversal of 11121122011320 is 2311022112111.

It is a happy number.

11121122011320 is a `hidden beast` number, since 1 + 1 + 121 + 1 + 220 + 1 + 1 + 320 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 11121122011293 and 11121122011302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15272152 + ... + 15983768.

Almost surely, 2^{11121122011320} is an apocalyptic number.

11121122011320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11121122011320 is an abundant number, since it is smaller than the sum of its proper divisors (25023407909400).

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

11121122011320 is a wasteful number, since it uses less digits than its factorization.

11121122011320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755045 (or 755038 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 11121122011320 its reverse (2311022112111), we get a palindrome (13432144123431).

The spelling of 11121122011320 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty-two million, eleven thousand, three hundred twenty".