210130101 has 24 divisors (see below), whose sum is σ = 321201920. Its totient is φ = 132005376.

The previous prime is 210130061. The next prime is 210130103. The reversal of 210130101 is 101031012.

It is not a de Polignac number, because 210130101 - 2⁷ = 210129973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210130103) 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 23 ways as a sum of consecutive naturals, for example, 29820 + ... + 36186.

Almost surely, 2^210130101 is an apocalyptic number.

It is an amenable number.

210130101 is a deficient number, since it is larger than the sum of its proper divisors (111071819).

210130101 is a wasteful number, since it uses less digits than its factorization.

210130101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6585 (or 6582 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 210130101 is about 14495.8649621194. The cubic root of 210130101 is about 594.5149175857.

Adding to 210130101 its reverse (101031012), we get a palindrome (311161113).

The spelling of 210130101 in words is "two hundred ten million, one hundred thirty thousand, one hundred one".