210101202002 has 4 divisors (see below), whose sum is σ = 315151803006. Its totient is φ = 105050601000.

The previous prime is 210101201993. The next prime is 210101202013. The reversal of 210101202002 is 200202101012.

It is a happy number.

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., 210021474961 + 79727041 = 458281^2 + 8929^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52525300499 + ... + 52525300502.

Almost surely, 2^210101202002 is an apocalyptic number.

210101202002 is a deficient number, since it is larger than the sum of its proper divisors (105050601004).

210101202002 is a wasteful number, since it uses less digits than its factorization.

210101202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105050601003.

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

Adding to 210101202002 its reverse (200202101012), we get a palindrome (410303303014).

The spelling of 210101202002 in words is "two hundred ten billion, one hundred one million, two hundred two thousand, two".