200021102 has 4 divisors (see below), whose sum is σ = 300031656. Its totient is φ = 100010550.

The previous prime is 200021071. The next prime is 200021117. The reversal of 200021102 is 201120002.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 200021102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005274 + ... + 50005277.

It is an arithmetic number, because the mean of its divisors is an integer number (75007914).

Almost surely, 2^200021102 is an apocalyptic number.

200021102 is a deficient number, since it is larger than the sum of its proper divisors (100010554).

200021102 is a wasteful number, since it uses less digits than its factorization.

200021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100010553.

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

The square root of 200021102 is about 14142.8816724174. The cubic root of 200021102 is about 584.8241144600.

Adding to 200021102 its reverse (201120002), we get a palindrome (401141104).

The spelling of 200021102 in words is "two hundred million, twenty-one thousand, one hundred two".