21100200202 has 8 divisors (see below), whose sum is σ = 31651170912. Its totient is φ = 10549809900.

The previous prime is 21100200151. The next prime is 21100200217. The reversal of 21100200202 is 20200200112.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38574 + ... + 209017.

It is an arithmetic number, because the mean of its divisors is an integer number (3956396364).

Almost surely, 2^21100200202 is an apocalyptic number.

21100200202 is a deficient number, since it is larger than the sum of its proper divisors (10550970710).

21100200202 is a wasteful number, since it uses less digits than its factorization.

21100200202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290204.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 21100200202 its reverse (20200200112), we get a palindrome (41300400314).

The spelling of 21100200202 in words is "twenty-one billion, one hundred million, two hundred thousand, two hundred two".