2121203332 has 24 divisors (see below), whose sum is σ = 3746302560. Its totient is φ = 1050861120.

The previous prime is 2121203327. The next prime is 2121203333. The reversal of 2121203332 is 2333021212.

It is not an unprimeable number, because it can be changed into a prime (2121203333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309519 + ... + 316297.

It is an arithmetic number, because the mean of its divisors is an integer number (156095940).

Almost surely, 2^2121203332 is an apocalyptic number.

It is an amenable number.

2121203332 is a deficient number, since it is larger than the sum of its proper divisors (1625099228).

2121203332 is a wasteful number, since it uses less digits than its factorization.

2121203332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7491 (or 7489 counting only the distinct ones).

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

The square root of 2121203332 is about 46056.5232296143. The cubic root of 2121203332 is about 1284.8746680893.

Adding to 2121203332 its reverse (2333021212), we get a palindrome (4454224544).

The spelling of 2121203332 in words is "two billion, one hundred twenty-one million, two hundred three thousand, three hundred thirty-two".