210102103 has 8 divisors (see below), whose sum is σ = 213519600. Its totient is φ = 206699328.

The previous prime is 210102089. The next prime is 210102121. The reversal of 210102103 is 301201012.

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 210102103 - 2¹⁷ = 209971031 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 210102103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210102203) 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, 27153 + ... + 34021.

It is an arithmetic number, because the mean of its divisors is an integer number (26689950).

Almost surely, 2^210102103 is an apocalyptic number.

210102103 is a deficient number, since it is larger than the sum of its proper divisors (3417497).

210102103 is an equidigital number, since it uses as much as digits as its factorization.

210102103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7361.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 210102103 is about 14494.8992062725. The cubic root of 210102103 is about 594.4885117734.

Adding to 210102103 its reverse (301201012), we get a palindrome (511303115).

The spelling of 210102103 in words is "two hundred ten million, one hundred two thousand, one hundred three".