11242221231123 has 12 divisors (see below), whose sum is σ = 16306708622880. Its totient is φ = 7463455097616.

The previous prime is 11242221231103. The next prime is 11242221231133. The reversal of 11242221231123 is 32113212224211.

11242221231123 is a `hidden beast` number, since 1 + 1 + 2 + 422 + 2 + 1 + 231 + 1 + 2 + 3 = 666.

It is not a de Polignac number, because 11242221231123 - 2¹⁴ = 11242221214739 is a prime.

It is a super-2 number, since 2×11242221231123² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11242221231103) 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 11 ways as a sum of consecutive naturals, for example, 2613252436 + ... + 2613256737.

It is an arithmetic number, because the mean of its divisors is an integer number (1358892385240).

Almost surely, 2^{11242221231123} is an apocalyptic number.

11242221231123 is a deficient number, since it is larger than the sum of its proper divisors (5064487391757).

11242221231123 is a wasteful number, since it uses less digits than its factorization.

11242221231123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5226509418 (or 5226509415 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 11242221231123 its reverse (32113212224211), we get a palindrome (43355433455334).

The spelling of 11242221231123 in words is "eleven trillion, two hundred forty-two billion, two hundred twenty-one million, two hundred thirty-one thousand, one hundred twenty-three".