201021102110210 has 8 divisors (see below), whose sum is σ = 361837983798396. Its totient is φ = 80408440844080.

The previous prime is 201021102110197. The next prime is 201021102110233. The reversal of 201021102110210 is 12011201120102.

It can be written as a sum of positive squares in 2 ways, for example, as 197328912959161 + 3692189151049 = 14047381^2 + 1921507^2 .

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, 10051055105501 + ... + 10051055105520.

Almost surely, 2^{201021102110210} is an apocalyptic number.

201021102110210 is a deficient number, since it is larger than the sum of its proper divisors (160816881688186).

201021102110210 is a wasteful number, since it uses less digits than its factorization.

201021102110210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20102110211028.

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

Adding to 201021102110210 its reverse (12011201120102), we get a palindrome (213032303230312).

The spelling of 201021102110210 in words is "two hundred one trillion, twenty-one billion, one hundred two million, one hundred ten thousand, two hundred ten".