11323121022 has 48 divisors (see below), whose sum is σ = 25838414160. Its totient is φ = 3573818496.

The previous prime is 11323121011. The next prime is 11323121059. The reversal of 11323121022 is 22012132311.

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 = 11323120986 and 11323121004.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 723108 + ... + 738600.

It is an arithmetic number, because the mean of its divisors is an integer number (538300295).

Almost surely, 2^11323121022 is an apocalyptic number.

11323121022 is an abundant number, since it is smaller than the sum of its proper divisors (14515293138).

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

11323121022 is a wasteful number, since it uses less digits than its factorization.

11323121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17657 (or 17654 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11323121022 its reverse (22012132311), we get a palindrome (33335253333).

The spelling of 11323121022 in words is "eleven billion, three hundred twenty-three million, one hundred twenty-one thousand, twenty-two".