11123143321122 has 96 divisors (see below), whose sum is σ = 28213907230080. Its totient is φ = 3100790246400.

The previous prime is 11123143321109. The next prime is 11123143321123. The reversal of 11123143321122 is 22112334132111.

11123143321122 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 314 + 3 + 321 + 1 + 22 = 666.

It is a super-2 number, since 2×11123143321122² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11123143321123) 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 47 ways as a sum of consecutive naturals, for example, 3928372 + ... + 6138272.

It is an arithmetic number, because the mean of its divisors is an integer number (293894866980).

Almost surely, 2^{11123143321122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11123143321122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14106953615040).

11123143321122 is an abundant number, since it is smaller than the sum of its proper divisors (17090763908958).

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

11123143321122 is a wasteful number, since it uses less digits than its factorization.

11123143321122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210888 (or 2210885 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

Adding to 11123143321122 its reverse (22112334132111), we get a palindrome (33235477453233).

The spelling of 11123143321122 in words is "eleven trillion, one hundred twenty-three billion, one hundred forty-three million, three hundred twenty-one thousand, one hundred twenty-two".