21010202002201 has 8 divisors (see below), whose sum is σ = 22118038601600. Its totient is φ = 19902569052240.

The previous prime is 21010202002171. The next prime is 21010202002219. The reversal of 21010202002201 is 10220020201012.

It is a happy number.

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 21010202002201 - 2¹⁷ = 21010201871129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21010202002001) 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, 50700561 + ... + 51113278.

It is an arithmetic number, because the mean of its divisors is an integer number (2764754825200).

Almost surely, 2^{21010202002201} is an apocalyptic number.

It is an amenable number.

21010202002201 is a deficient number, since it is larger than the sum of its proper divisors (1107836599399).

21010202002201 is a wasteful number, since it uses less digits than its factorization.

21010202002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101824719.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 21010202002201 its reverse (10220020201012), we get a palindrome (31230222203213).

The spelling of 21010202002201 in words is "twenty-one trillion, ten billion, two hundred two million, two thousand, two hundred one".