102101221010200 has 24 divisors (see below), whose sum is σ = 237385338849180. Its totient is φ = 40840488404000.

The previous prime is 102101221010197. The next prime is 102101221010221. The reversal of 102101221010200 is 2010122101201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 255253052326 + ... + 255253052725.

Almost surely, 2^{102101221010200} is an apocalyptic number.

102101221010200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102101221010200 is an abundant number, since it is smaller than the sum of its proper divisors (135284117838980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102101221010200 is a wasteful number, since it uses less digits than its factorization.

102101221010200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510506105067 (or 510506105058 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102101221010200 its reverse (2010122101201), we get a palindrome (104111343111401).

The spelling of 102101221010200 in words is "one hundred two trillion, one hundred one billion, two hundred twenty-one million, ten thousand, two hundred".