100002101021200 has 120 divisors (see below), whose sum is σ = 289028628969920. Its totient is φ = 32481885427200.

The previous prime is 100002101021171. The next prime is 100002101021213. The reversal of 100002101021200 is 2120101200001.

It is a Harshad number since it is a multiple of its sum of digits (10).

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 in 23 ways as a sum of consecutive naturals, for example, 939816171 + ... + 939922570.

Almost surely, 2^{100002101021200} is an apocalyptic number.

100002101021200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100002101021200 is an abundant number, since it is smaller than the sum of its proper divisors (189026527948720).

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

100002101021200 is a wasteful number, since it uses less digits than its factorization.

100002101021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879738785 (or 1879738774 counting only the distinct ones).

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

Adding to 100002101021200 its reverse (2120101200001), we get a palindrome (102122202221201).

The spelling of 100002101021200 in words is "one hundred trillion, two billion, one hundred one million, twenty-one thousand, two hundred".