2232121321 has 8 divisors (see below), whose sum is σ = 2281751424. Its totient is φ = 2182580400.

The previous prime is 2232121279. The next prime is 2232121327. The reversal of 2232121321 is 1231212322.

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 2232121321 - 2⁷ = 2232121193 is a prime.

It is a super-3 number, since 3×2232121321³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2232121327) 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, 29646 + ... + 73096.

It is an arithmetic number, because the mean of its divisors is an integer number (285218928).

Almost surely, 2^2232121321 is an apocalyptic number.

It is an amenable number.

2232121321 is a deficient number, since it is larger than the sum of its proper divisors (49630103).

2232121321 is a wasteful number, since it uses less digits than its factorization.

2232121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44591.

The product of its digits is 288, while the sum is 19.

The square root of 2232121321 is about 47245.3312084909. The cubic root of 2232121321 is about 1306.8906933656.

Adding to 2232121321 its reverse (1231212322), we get a palindrome (3463333643).

The spelling of 2232121321 in words is "two billion, two hundred thirty-two million, one hundred twenty-one thousand, three hundred twenty-one".