210101073 has 24 divisors (see below), whose sum is σ = 350941248. Its totient is φ = 110821536.

The previous prime is 210101051. The next prime is 210101083. The reversal of 210101073 is 370101012.

It is not a de Polignac number, because 210101073 - 2⁵ = 210101041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (210101033) 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, 53061 + ... + 56882.

It is an arithmetic number, because the mean of its divisors is an integer number (14622552).

Almost surely, 2^210101073 is an apocalyptic number.

It is an amenable number.

210101073 is a deficient number, since it is larger than the sum of its proper divisors (140840175).

210101073 is a wasteful number, since it uses less digits than its factorization.

210101073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109973 (or 109966 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 210101073 is about 14494.8636764890. The cubic root of 210101073 is about 594.4875403026.

Adding to 210101073 its reverse (370101012), we get a palindrome (580202085).

The spelling of 210101073 in words is "two hundred ten million, one hundred one thousand, seventy-three".