2321021132 has 12 divisors (see below), whose sum is σ = 4068549576. Its totient is φ = 1158578400.

The previous prime is 2321021089. The next prime is 2321021161. The reversal of 2321021132 is 2311201232.

It is a super-2 number, since 2×2321021132² = 10774278190381122848, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2321021132.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 480338 + ... + 485145.

It is an arithmetic number, because the mean of its divisors is an integer number (339045798).

Almost surely, 2^2321021132 is an apocalyptic number.

It is an amenable number.

2321021132 is a deficient number, since it is larger than the sum of its proper divisors (1747528444).

2321021132 is a wasteful number, since it uses less digits than its factorization.

2321021132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966088 (or 966086 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2321021132 is about 48176.9771986579. The cubic root of 2321021132 is about 1324.0153847058.

Adding to 2321021132 its reverse (2311201232), we get a palindrome (4632222364).

The spelling of 2321021132 in words is "two billion, three hundred twenty-one million, twenty-one thousand, one hundred thirty-two".