2121333324 has 48 divisors (see below), whose sum is σ = 5442318336. Its totient is φ = 637761600.

The previous prime is 2121333301. The next prime is 2121333329. The reversal of 2121333324 is 4233331212.

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 = 2121333294 and 2121333303.

It is not an unprimeable number, because it can be changed into a prime (2121333329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46507 + ... + 80034.

It is an arithmetic number, because the mean of its divisors is an integer number (113381632).

Almost surely, 2^2121333324 is an apocalyptic number.

It is an amenable number.

2121333324 is an abundant number, since it is smaller than the sum of its proper divisors (3320985012).

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

2121333324 is a wasteful number, since it uses less digits than its factorization.

2121333324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126686 (or 126684 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

The square root of 2121333324 is about 46057.9344304540. The cubic root of 2121333324 is about 1284.9009142006.

Adding to 2121333324 its reverse (4233331212), we get a palindrome (6354664536).

The spelling of 2121333324 in words is "two billion, one hundred twenty-one million, three hundred thirty-three thousand, three hundred twenty-four".