2121233003 has 4 divisors (see below), whose sum is σ = 2123625360. Its totient is φ = 2118840648.

The previous prime is 2121232961. The next prime is 2121233027. The reversal of 2121233003 is 3003321212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2121233003 - 2⁸ = 2121232747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121233033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1194848 + ... + 1196621.

It is an arithmetic number, because the mean of its divisors is an integer number (530906340).

Almost surely, 2^2121233003 is an apocalyptic number.

2121233003 is a deficient number, since it is larger than the sum of its proper divisors (2392357).

2121233003 is an equidigital number, since it uses as much as digits as its factorization.

2121233003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392356.

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

The square root of 2121233003 is about 46056.8453435534. The cubic root of 2121233003 is about 1284.8806589245.

Adding to 2121233003 its reverse (3003321212), we get a palindrome (5124554215).

The spelling of 2121233003 in words is "two billion, one hundred twenty-one million, two hundred thirty-three thousand, three".