210003133021 has 16 divisors (see below), whose sum is σ = 232245455040. Its totient is φ = 188301588480.

The previous prime is 210003133009. The next prime is 210003133057. The reversal of 210003133021 is 120331300012.

It is a cyclic number.

It is not a de Polignac number, because 210003133021 - 2⁷ = 210003132893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210003132986 and 210003133004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210003133001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120036 + ... + 659101.

It is an arithmetic number, because the mean of its divisors is an integer number (14515340940).

Almost surely, 2^210003133021 is an apocalyptic number.

It is an amenable number.

210003133021 is a deficient number, since it is larger than the sum of its proper divisors (22242322019).

210003133021 is a wasteful number, since it uses less digits than its factorization.

210003133021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779484.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 210003133021 its reverse (120331300012), we get a palindrome (330334433033).

The spelling of 210003133021 in words is "two hundred ten billion, three million, one hundred thirty-three thousand, twenty-one".