210101012102210 has 8 divisors (see below), whose sum is σ = 378181821783996. Its totient is φ = 84040404840880.

The previous prime is 210101012102203. The next prime is 210101012102287. The reversal of 210101012102210 is 12201210101012.

It can be written as a sum of positive squares in 2 ways, for example, as 180134595344929 + 29966416757281 = 13421423^2 + 5474159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10505050605101 + ... + 10505050605120.

Almost surely, 2^{210101012102210} is an apocalyptic number.

210101012102210 is a deficient number, since it is larger than the sum of its proper divisors (168080809681786).

210101012102210 is a wasteful number, since it uses less digits than its factorization.

210101012102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21010101210228.

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

Adding to 210101012102210 its reverse (12201210101012), we get a palindrome (222302222203222).

The spelling of 210101012102210 in words is "two hundred ten trillion, one hundred one billion, twelve million, one hundred two thousand, two hundred ten".