210010202021101 has 4 divisors (see below), whose sum is σ = 210016367763804. Its totient is φ = 210004036278400.

The previous prime is 210010202021063. The next prime is 210010202021143. The reversal of 210010202021101 is 101120202010012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 37967656004100 + 172042546017001 = 6161790^2 + 13116499^2 .

It is a cyclic number.

It is not a de Polignac number, because 210010202021101 - 2⁹ = 210010202020589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210010202028101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3082820260 + ... + 3082888381.

It is an arithmetic number, because the mean of its divisors is an integer number (52504091940951).

Almost surely, 2^{210010202021101} is an apocalyptic number.

It is an amenable number.

210010202021101 is a deficient number, since it is larger than the sum of its proper divisors (6165742703).

210010202021101 is an equidigital number, since it uses as much as digits as its factorization.

210010202021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6165742702.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210010202021101 its reverse (101120202010012), we get a palindrome (311130404031113).

The spelling of 210010202021101 in words is "two hundred ten trillion, ten billion, two hundred two million, twenty-one thousand, one hundred one".