2121332003 has 8 divisors (see below), whose sum is σ = 2426387808. Its totient is φ = 1816778304.

The previous prime is 2121331997. The next prime is 2121332009. The reversal of 2121332003 is 3002331212.

It is an interprime number because it is at equal distance from previous prime (2121331997) and next prime (2121332009).

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

It is a cyclic number.

It is not a de Polignac number, because 2121332003 - 2⁶ = 2121331939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2121332009) 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, 116426 + ... + 133407.

It is an arithmetic number, because the mean of its divisors is an integer number (303298476).

Almost surely, 2^2121332003 is an apocalyptic number.

2121332003 is a deficient number, since it is larger than the sum of its proper divisors (305055805).

2121332003 is a wasteful number, since it uses less digits than its factorization.

2121332003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251053.

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

The square root of 2121332003 is about 46057.9200898173. The cubic root of 2121332003 is about 1284.9006474887.

Adding to 2121332003 its reverse (3002331212), we get a palindrome (5123663215).

The spelling of 2121332003 in words is "two billion, one hundred twenty-one million, three hundred thirty-two thousand, three".