21033310201 has 16 divisors (see below), whose sum is σ = 21671938368. Its totient is φ = 20405088000.

The previous prime is 21033310171. The next prime is 21033310217. The reversal of 21033310201 is 10201333012.

It is a cyclic number.

It is not a de Polignac number, because 21033310201 - 2²⁵ = 20999755769 is a prime.

It is a super-2 number, since 2×21033310201² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21033313201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3719226 + ... + 3724876.

It is an arithmetic number, because the mean of its divisors is an integer number (1354496148).

Almost surely, 2^21033310201 is an apocalyptic number.

It is an amenable number.

21033310201 is a deficient number, since it is larger than the sum of its proper divisors (638628167).

21033310201 is an equidigital number, since it uses as much as digits as its factorization.

21033310201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6552.

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

Adding to 21033310201 its reverse (10201333012), we get a palindrome (31234643213).

The spelling of 21033310201 in words is "twenty-one billion, thirty-three million, three hundred ten thousand, two hundred one".