210100021202 has 8 divisors (see below), whose sum is σ = 315266202876. Its totient is φ = 105011286912.

The previous prime is 210100021177. The next prime is 210100021217. The reversal of 210100021202 is 202120001012.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 133071014521 + 77029006681 = 364789^2 + 277541^2 .

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, 19355063 + ... + 19365914.

Almost surely, 2^210100021202 is an apocalyptic number.

210100021202 is a deficient number, since it is larger than the sum of its proper divisors (105166181674).

210100021202 is a wasteful number, since it uses less digits than its factorization.

210100021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38723692.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 210100021202 its reverse (202120001012), we get a palindrome (412220022214).

The spelling of 210100021202 in words is "two hundred ten billion, one hundred million, twenty-one thousand, two hundred two".