210202021202 has 4 divisors (see below), whose sum is σ = 315303031806. Its totient is φ = 105101010600.

The previous prime is 210202021193. The next prime is 210202021261. The reversal of 210202021202 is 202120202012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 144650148241 + 65551872961 = 380329^2 + 256031^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52550505299 + ... + 52550505302.

Almost surely, 2^210202021202 is an apocalyptic number.

210202021202 is a deficient number, since it is larger than the sum of its proper divisors (105101010604).

210202021202 is a wasteful number, since it uses less digits than its factorization.

210202021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105101010603.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 210202021202 its reverse (202120202012), we get a palindrome (412322223214).

The spelling of 210202021202 in words is "two hundred ten billion, two hundred two million, twenty-one thousand, two hundred two".