11313221124 has 12 divisors (see below), whose sum is σ = 26397515984. Its totient is φ = 3771073704.

The previous prime is 11313221123. The next prime is 11313221137. The reversal of 11313221124 is 42112231311.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is a self number, because there is not a number n which added to its sum of digits gives 11313221124.

It is not an unprimeable number, because it can be changed into a prime (11313221123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 471384202 + ... + 471384225.

Almost surely, 2^11313221124 is an apocalyptic number.

It is an amenable number.

11313221124 is an abundant number, since it is smaller than the sum of its proper divisors (15084294860).

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

11313221124 is a wasteful number, since it uses less digits than its factorization.

11313221124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942768434 (or 942768432 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

Adding to 11313221124 its reverse (42112231311), we get a palindrome (53425452435).

The spelling of 11313221124 in words is "eleven billion, three hundred thirteen million, two hundred twenty-one thousand, one hundred twenty-four".