21202112200102 has 8 divisors (see below), whose sum is σ = 31803234527736. Its totient is φ = 10601034024192.

The previous prime is 21202112200091. The next prime is 21202112200193. The reversal of 21202112200102 is 20100221120212.

It is a happy number.

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

It is a congruent number.

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, 9810088 + ... + 11774635.

It is an arithmetic number, because the mean of its divisors is an integer number (3975404315967).

Almost surely, 2^{21202112200102} is an apocalyptic number.

21202112200102 is a deficient number, since it is larger than the sum of its proper divisors (10601122327634).

21202112200102 is a wasteful number, since it uses less digits than its factorization.

21202112200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22075862.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 21202112200102 its reverse (20100221120212), we get a palindrome (41302333320314).

The spelling of 21202112200102 in words is "twenty-one trillion, two hundred two billion, one hundred twelve million, two hundred thousand, one hundred two".