210102102100002 has 64 divisors (see below), whose sum is σ = 481424551501824. Its totient is φ = 59880319657920.

The previous prime is 210102102099991. The next prime is 210102102100063. The reversal of 210102102100002 is 200001201201012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112701723 + ... + 114550785.

It is an arithmetic number, because the mean of its divisors is an integer number (7522258617216).

Almost surely, 2^{210102102100002} is an apocalyptic number.

210102102100002 is an abundant number, since it is smaller than the sum of its proper divisors (271322449401822).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210102102100002 is a wasteful number, since it uses less digits than its factorization.

210102102100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855783.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210102102100002 its reverse (200001201201012), we get a palindrome (410103303301014).

The spelling of 210102102100002 in words is "two hundred ten trillion, one hundred two billion, one hundred two million, one hundred thousand, two".