210010101000101 has 4 divisors (see below), whose sum is σ = 210411649950912. Its totient is φ = 209608552049292.

The previous prime is 210010101000067. The next prime is 210010101000137. The reversal of 210010101000101 is 101000101010012.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 210010101000101 - 2³⁸ = 209735223093157 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 (210010101000901) 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 3 ways as a sum of consecutive naturals, for example, 200774474621 + ... + 200774475666.

It is an arithmetic number, because the mean of its divisors is an integer number (52602912487728).

Almost surely, 2^{210010101000101} is an apocalyptic number.

It is an amenable number.

210010101000101 is a deficient number, since it is larger than the sum of its proper divisors (401548950811).

210010101000101 is an equidigital number, since it uses as much as digits as its factorization.

210010101000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401548950810.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 210010101000101 its reverse (101000101010012), we get a palindrome (311010202010113).

The spelling of 210010101000101 in words is "two hundred ten trillion, ten billion, one hundred one million, one hundred one", and thus it is an aban number.