210100101 has 8 divisors (see below), whose sum is σ = 292313280. Its totient is φ = 133976832.

The previous prime is 210100073. The next prime is 210100123. The reversal of 210100101 is 101001012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 210100101 - 2¹⁰ = 210099077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 210100101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210100151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1522396 + ... + 1522533.

It is an arithmetic number, because the mean of its divisors is an integer number (36539160).

Almost surely, 2^210100101 is an apocalyptic number.

It is an amenable number.

210100101 is a deficient number, since it is larger than the sum of its proper divisors (82213179).

210100101 is a wasteful number, since it uses less digits than its factorization.

210100101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3044955.

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

The square root of 210100101 is about 14494.8301473318. The cubic root of 210100101 is about 594.4866235331.

Adding to 210100101 its reverse (101001012), we get a palindrome (311101113).

It can be divided in two parts, 2 and 10100101, that multiplied together give a palindrome (20200202).

The spelling of 210100101 in words is "two hundred ten million, one hundred thousand, one hundred one".