2121233330 has 16 divisors (see below), whose sum is σ = 3823485120. Its totient is φ = 847323312.

The previous prime is 2121233297. The next prime is 2121233393. The reversal of 2121233330 is 333321212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138620 + ... + 153159.

It is an arithmetic number, because the mean of its divisors is an integer number (238967820).

Almost surely, 2^2121233330 is an apocalyptic number.

2121233330 is a deficient number, since it is larger than the sum of its proper divisors (1702251790).

2121233330 is a wasteful number, since it uses less digits than its factorization.

2121233330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292513.

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

The square root of 2121233330 is about 46056.8488935142. The cubic root of 2121233330 is about 1284.8807249483.

Adding to 2121233330 its reverse (333321212), we get a palindrome (2454554542).

The spelling of 2121233330 in words is "two billion, one hundred twenty-one million, two hundred thirty-three thousand, three hundred thirty".