121333331224 has 16 divisors (see below), whose sum is σ = 259999995600. Its totient is φ = 51999999072.

The previous prime is 121333331179. The next prime is 121333331239. The reversal of 121333331224 is 422133333121.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 121333331192 and 121333331201.

It is a congruent number.

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, 1083333259 + ... + 1083333370.

It is an arithmetic number, because the mean of its divisors is an integer number (16249999725).

Almost surely, 2^121333331224 is an apocalyptic number.

121333331224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

121333331224 is an abundant number, since it is smaller than the sum of its proper divisors (138666664376).

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

121333331224 is a wasteful number, since it uses less digits than its factorization.

121333331224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2166666642 (or 2166666638 counting only the distinct ones).

The product of its digits is 7776, while the sum is 28.

Adding to 121333331224 its reverse (422133333121), we get a palindrome (543466664345).

The spelling of 121333331224 in words is "one hundred twenty-one billion, three hundred thirty-three million, three hundred thirty-one thousand, two hundred twenty-four".