2121033323 has 4 divisors (see below), whose sum is σ = 2150088648. Its totient is φ = 2091978000.

The previous prime is 2121033307. The next prime is 2121033353. The reversal of 2121033323 is 3233301212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2121033323 - 2⁴ = 2121033307 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2121033295 and 2121033304.

It is not an unprimeable number, because it can be changed into a prime (2121033353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14527553 + ... + 14527698.

It is an arithmetic number, because the mean of its divisors is an integer number (537522162).

Almost surely, 2^2121033323 is an apocalyptic number.

2121033323 is a deficient number, since it is larger than the sum of its proper divisors (29055325).

2121033323 is an equidigital number, since it uses as much as digits as its factorization.

2121033323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29055324.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 2121033323 is about 46054.6775365977. The cubic root of 2121033323 is about 1284.8403407038.

Adding to 2121033323 its reverse (3233301212), we get a palindrome (5354334535).

The spelling of 2121033323 in words is "two billion, one hundred twenty-one million, thirty-three thousand, three hundred twenty-three".