210102110212100 has 18 divisors (see below), whose sum is σ = 455921579160474. Its totient is φ = 84040844084800.

The previous prime is 210102110212037. The next prime is 210102110212151. The reversal of 210102110212100 is 1212011201012.

It can be written as a sum of positive squares in 3 ways, for example, as 9568925583424 + 200533184628676 = 3093368^2 + 14160974^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1050510550961 + ... + 1050510551160.

Almost surely, 2^{210102110212100} is an apocalyptic number.

210102110212100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210102110212100 is an abundant number, since it is smaller than the sum of its proper divisors (245819468948374).

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

210102110212100 is a wasteful number, since it uses less digits than its factorization.

210102110212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101021102135 (or 2101021102128 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 210102110212100 its reverse (1212011201012), we get a palindrome (211314121413112).

The spelling of 210102110212100 in words is "two hundred ten trillion, one hundred two billion, one hundred ten million, two hundred twelve thousand, one hundred".