210021021202 has 24 divisors (see below), whose sum is σ = 339559001856. Its totient is φ = 97366952664.

The previous prime is 210021021187. The next prime is 210021021209. The reversal of 210021021202 is 202120120012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (210021021209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3060618 + ... + 3128485.

It is an arithmetic number, because the mean of its divisors is an integer number (14148291744).

Almost surely, 2^210021021202 is an apocalyptic number.

210021021202 is a deficient number, since it is larger than the sum of its proper divisors (129537980654).

210021021202 is a wasteful number, since it uses less digits than its factorization.

210021021202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6189190 (or 6189171 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 210021021202 its reverse (202120120012), we get a palindrome (412141141214).

The spelling of 210021021202 in words is "two hundred ten billion, twenty-one million, twenty-one thousand, two hundred two".