210101210002 has 16 divisors (see below), whose sum is σ = 334460827512. Its totient is φ = 98642810880.

The previous prime is 210101209979. The next prime is 210101210003. The reversal of 210101210002 is 200012101012.

It can be written as a sum of positive squares in 4 ways, for example, as 108314050321 + 101787159681 = 329111^2 + 319041^2 .

It is not an unprimeable number, because it can be changed into a prime (210101210003) 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, 7120899 + ... + 7150342.

Almost surely, 2^210101210002 is an apocalyptic number.

210101210002 is a deficient number, since it is larger than the sum of its proper divisors (124359617510).

210101210002 is a wasteful number, since it uses less digits than its factorization.

210101210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14271693.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 210101210002 its reverse (200012101012), we get a palindrome (410113311014).

The spelling of 210101210002 in words is "two hundred ten billion, one hundred one million, two hundred ten thousand, two".