201021110002 has 4 divisors (see below), whose sum is σ = 301531665006. Its totient is φ = 100510555000.

The previous prime is 201021109967. The next prime is 201021110011. The reversal of 201021110002 is 200011120102.

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., 111296299321 + 89724810681 = 333611^2 + 299541^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50255277499 + ... + 50255277502.

Almost surely, 2^201021110002 is an apocalyptic number.

201021110002 is a deficient number, since it is larger than the sum of its proper divisors (100510555004).

201021110002 is a wasteful number, since it uses less digits than its factorization.

201021110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100510555003.

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

Adding to 201021110002 its reverse (200011120102), we get a palindrome (401032230104).

The spelling of 201021110002 in words is "two hundred one billion, twenty-one million, one hundred ten thousand, two".