2121032330 has 8 divisors (see below), whose sum is σ = 3817858212. Its totient is φ = 848412928.

The previous prime is 2121032311. The next prime is 2121032351. The reversal of 2121032330 is 332301212.

It can be written as a sum of positive squares in 2 ways, for example, as 1715533561 + 405498769 = 41419^2 + 20137^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2121032299 and 2121032308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106051607 + ... + 106051626.

Almost surely, 2^2121032330 is an apocalyptic number.

2121032330 is a deficient number, since it is larger than the sum of its proper divisors (1696825882).

2121032330 is a wasteful number, since it uses less digits than its factorization.

2121032330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212103240.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2121032330 is about 46054.6667559326. Note that the first 3 decimals coincide. The cubic root of 2121032330 is about 1284.8401401967.

Adding to 2121032330 its reverse (332301212), we get a palindrome (2453333542).

The spelling of 2121032330 in words is "two billion, one hundred twenty-one million, thirty-two thousand, three hundred thirty".