210002102 has 4 divisors (see below), whose sum is σ = 315003156. Its totient is φ = 105001050.

The previous prime is 210002099. The next prime is 210002119. The reversal of 210002102 is 201200012.

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

It is a self number, because there is not a number n which added to its sum of digits gives 210002102.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 52500524 + ... + 52500527.

It is an arithmetic number, because the mean of its divisors is an integer number (78750789).

Almost surely, 2^210002102 is an apocalyptic number.

210002102 is a deficient number, since it is larger than the sum of its proper divisors (105001054).

210002102 is a wasteful number, since it uses less digits than its factorization.

210002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105001053.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 210002102 is about 14491.4492718982. The cubic root of 210002102 is about 594.3941784640.

Adding to 210002102 its reverse (201200012), we get a palindrome (411202114).

The spelling of 210002102 in words is "two hundred ten million, two thousand, one hundred two".