210002211002002 has 4 divisors (see below), whose sum is σ = 315003316503006. Its totient is φ = 105001105501000.

The previous prime is 210002211001963. The next prime is 210002211002011. The reversal of 210002211002002 is 200200112200012.

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., 207624727637721 + 2377483364281 = 14409189^2 + 1541909^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52500552750499 + ... + 52500552750502.

Almost surely, 2^{210002211002002} is an apocalyptic number.

210002211002002 is a deficient number, since it is larger than the sum of its proper divisors (105001105501004).

210002211002002 is a wasteful number, since it uses less digits than its factorization.

210002211002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105001105501003.

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

Adding to 210002211002002 its reverse (200200112200012), we get a palindrome (410202323202014).

The spelling of 210002211002002 in words is "two hundred ten trillion, two billion, two hundred eleven million, two thousand, two".