210001001002 has 8 divisors (see below), whose sum is σ = 339232386276. Its totient is φ = 96923538912.

The previous prime is 210001000943. The next prime is 210001001039. The reversal of 210001001002 is 200100100012.

It can be written as a sum of positive squares in 2 ways, for example, as 148888711321 + 61112289681 = 385861^2 + 247209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 in 3 ways as a sum of consecutive naturals, for example, 4038480763 + ... + 4038480814.

Almost surely, 2^210001001002 is an apocalyptic number.

210001001002 is a deficient number, since it is larger than the sum of its proper divisors (129231385274).

210001001002 is a wasteful number, since it uses less digits than its factorization.

210001001002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8076961592.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 210001001002 its reverse (200100100012), we get a palindrome (410101101014).

The spelling of 210001001002 in words is "two hundred ten billion, one million, one thousand, two".