21033100003 has 8 divisors (see below), whose sum is σ = 21189140480. Its totient is φ = 20877280200.

The previous prime is 21033099977. The next prime is 21033100037. The reversal of 21033100003 is 30000133012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21033100003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21033100093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138676 + ... + 247582.

It is an arithmetic number, because the mean of its divisors is an integer number (2648642560).

Almost surely, 2^21033100003 is an apocalyptic number.

21033100003 is a deficient number, since it is larger than the sum of its proper divisors (156040477).

21033100003 is a wasteful number, since it uses less digits than its factorization.

21033100003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110337.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 21033100003 its reverse (30000133012), we get a palindrome (51033233015).

The spelling of 21033100003 in words is "twenty-one billion, thirty-three million, one hundred thousand, three".