2121322033 has 8 divisors (see below), whose sum is σ = 2318561280. Its totient is φ = 1932133440.

The previous prime is 2121321989. The next prime is 2121322043. The reversal of 2121322033 is 3302231212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2121322033 - 2²¹ = 2119224881 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2121322033.

It is not an unprimeable number, because it can be changed into a prime (2121322043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2012113 + ... + 2013166.

It is an arithmetic number, because the mean of its divisors is an integer number (289820160).

Almost surely, 2^2121322033 is an apocalyptic number.

It is an amenable number.

2121322033 is a deficient number, since it is larger than the sum of its proper divisors (197239247).

2121322033 is a wasteful number, since it uses less digits than its factorization.

2121322033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4025327.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2121322033 is about 46057.8118564050. The cubic root of 2121322033 is about 1284.8986345271.

Adding to 2121322033 its reverse (3302231212), we get a palindrome (5423553245).

The spelling of 2121322033 in words is "two billion, one hundred twenty-one million, three hundred twenty-two thousand, thirty-three".