2121232333 has 16 divisors (see below), whose sum is σ = 2441779200. Its totient is φ = 1822463280.

The previous prime is 2121232331. The next prime is 2121232387. The reversal of 2121232333 is 3332321212.

It is not a de Polignac number, because 2121232333 - 2¹ = 2121232331 is a prime.

It is a super-2 number, since 2×2121232333² = 8999253221129245778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121232331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75460 + ... + 99682.

It is an arithmetic number, because the mean of its divisors is an integer number (152611200).

Almost surely, 2^2121232333 is an apocalyptic number.

It is an amenable number.

2121232333 is a deficient number, since it is larger than the sum of its proper divisors (320546867).

2121232333 is a wasteful number, since it uses less digits than its factorization.

2121232333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24672.

The product of its digits is 1296, while the sum is 22.

The square root of 2121232333 is about 46056.8380699327. The cubic root of 2121232333 is about 1284.8805236462.

Adding to 2121232333 its reverse (3332321212), we get a palindrome (5453553545).

The spelling of 2121232333 in words is "two billion, one hundred twenty-one million, two hundred thirty-two thousand, three hundred thirty-three".