210001101 has 16 divisors (see below), whose sum is σ = 285124608. Its totient is φ = 137448000.

The previous prime is 210001081. The next prime is 210001111. The reversal of 210001101 is 101100012.

It is not a de Polignac number, because 210001101 - 2⁵ = 210001069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210001101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210001111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181876 + ... + 183026.

It is an arithmetic number, because the mean of its divisors is an integer number (17820288).

Almost surely, 2^210001101 is an apocalyptic number.

It is an amenable number.

210001101 is a deficient number, since it is larger than the sum of its proper divisors (75123507).

210001101 is a wasteful number, since it uses less digits than its factorization.

210001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212.

The product of its (nonzero) digits is 2, while the sum is 6.

The square root of 210001101 is about 14491.4147342487. The cubic root of 210001101 is about 594.3932340456.

Adding to 210001101 its reverse (101100012), we get a palindrome (311101113).

The spelling of 210001101 in words is "two hundred ten million, one thousand, one hundred one".