210113201 has 4 divisors (see below), whose sum is σ = 211647012. Its totient is φ = 208579392.

The previous prime is 210113159. The next prime is 210113203. The reversal of 210113201 is 102311012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 61858225 + 148254976 = 7865^2 + 12176^2 .

It is a cyclic number.

It is not a de Polignac number, because 210113201 - 2²² = 205918897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210113203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 766700 + ... + 766973.

It is an arithmetic number, because the mean of its divisors is an integer number (52911753).

Almost surely, 2^210113201 is an apocalyptic number.

It is an amenable number.

210113201 is a deficient number, since it is larger than the sum of its proper divisors (1533811).

210113201 is a wasteful number, since it uses less digits than its factorization.

210113201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533810.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 210113201 is about 14495.2820255420. The cubic root of 210113201 is about 594.4989789340.

Adding to 210113201 its reverse (102311012), we get a palindrome (312424213).

The spelling of 210113201 in words is "two hundred ten million, one hundred thirteen thousand, two hundred one".