121133144424 has 16 divisors (see below), whose sum is σ = 302832861120. Its totient is φ = 40377714800.

The previous prime is 121133144413. The next prime is 121133144441. The reversal of 121133144424 is 424441331121.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 121133144391 and 121133144400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2523607152 + ... + 2523607199.

It is an arithmetic number, because the mean of its divisors is an integer number (18927053820).

Almost surely, 2^121133144424 is an apocalyptic number.

It is an amenable number.

121133144424 is an abundant number, since it is smaller than the sum of its proper divisors (181699716696).

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

121133144424 is a wasteful number, since it uses less digits than its factorization.

121133144424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5047214360 (or 5047214356 counting only the distinct ones).

The product of its digits is 9216, while the sum is 30.

Adding to 121133144424 its reverse (424441331121), we get a palindrome (545574475545).

The spelling of 121133144424 in words is "one hundred twenty-one billion, one hundred thirty-three million, one hundred forty-four thousand, four hundred twenty-four".