210101010202 has 12 divisors (see below), whose sum is σ = 325645637418. Its totient is φ = 101661778200.

The previous prime is 210101010193. The next prime is 210101010211. The reversal of 210101010202 is 202010101012.

It is an interprime number because it is at equal distance from previous prime (210101010193) and next prime (210101010211).

It can be written as a sum of positive squares in only one way, i.e., 206562069081 + 3538941121 = 454491^2 + 59489^2 .

It is a super-3 number, since 3×210101010202³ (a number of 35 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 54654949 + ... + 54658792.

Almost surely, 2^210101010202 is an apocalyptic number.

210101010202 is a deficient number, since it is larger than the sum of its proper divisors (115544627216).

210101010202 is a wasteful number, since it uses less digits than its factorization.

210101010202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109313805 (or 109313774 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 210101010202 its reverse (202010101012), we get a palindrome (412111111214).

The spelling of 210101010202 in words is "two hundred ten billion, one hundred one million, ten thousand, two hundred two".