210002103 has 6 divisors (see below), whose sum is σ = 303336384. Its totient is φ = 140001396.

The previous prime is 210002099. The next prime is 210002119. The reversal of 210002103 is 301200012.

It is a happy number.

It is not a de Polignac number, because 210002103 - 2² = 210002099 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 23333567 = 210002103 / (2 + 1 + 0 + 0 + 0 + 2 + 1 + 0 + 3).

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210002203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11666775 + ... + 11666792.

It is an arithmetic number, because the mean of its divisors is an integer number (50556064).

Almost surely, 2^210002103 is an apocalyptic number.

210002103 is a deficient number, since it is larger than the sum of its proper divisors (93334281).

210002103 is a wasteful number, since it uses less digits than its factorization.

210002103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23333573 (or 23333570 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 210002103 is about 14491.4493064013. The cubic root of 210002103 is about 594.3941794074.

Adding to 210002103 its reverse (301200012), we get a palindrome (511202115).

The spelling of 210002103 in words is "two hundred ten million, two thousand, one hundred three".