2000021200100 has 144 divisors (see below), whose sum is σ = 5464542496896. Its totient is φ = 617210880000.

The previous prime is 2000021200087. The next prime is 2000021200139. The reversal of 2000021200100 is 10021200002.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 508157 + ... + 2063556.

It is an arithmetic number, because the mean of its divisors is an integer number (37948211784).

Almost surely, 2^{2000021200100} is an apocalyptic number.

2000021200100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000021200100 is an abundant number, since it is smaller than the sum of its proper divisors (3464521296796).

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

2000021200100 is a wasteful number, since it uses less digits than its factorization.

2000021200100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571846 (or 2571839 counting only the distinct ones).

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

Adding to 2000021200100 its reverse (10021200002), we get a palindrome (2010042400102).

The spelling of 2000021200100 in words is "two trillion, twenty-one million, two hundred thousand, one hundred".