210102113 has 8 divisors (see below), whose sum is σ = 227206056. Its totient is φ = 193132800.

The previous prime is 210102089. The next prime is 210102121. The reversal of 210102113 is 311201012.

210102113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12334144 + 197767969 = 3512^2 + 14063^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 210102113 - 2⁶ = 210102049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210102094 and 210102103.

It is not an unprimeable number, because it can be changed into a prime (210102413) 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, 30398 + ... + 36663.

It is an arithmetic number, because the mean of its divisors is an integer number (28400757).

Almost surely, 2^210102113 is an apocalyptic number.

It is an amenable number.

210102113 is a deficient number, since it is larger than the sum of its proper divisors (17103943).

210102113 is a wasteful number, since it uses less digits than its factorization.

210102113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67315.

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

The square root of 210102113 is about 14494.8995512215. The cubic root of 210102113 is about 594.4885212052.

Adding to 210102113 its reverse (311201012), we get a palindrome (521303125).

The spelling of 210102113 in words is "two hundred ten million, one hundred two thousand, one hundred thirteen".