200012001021100 has 36 divisors (see below), whose sum is σ = 437339218139208. Its totient is φ = 79394076736000.

The previous prime is 200012001020957. The next prime is 200012001021127. The reversal of 200012001021100 is 1120100210002.

200012001021100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7634032741 + ... + 7634058940.

It is an arithmetic number, because the mean of its divisors is an integer number (12148311614978).

Almost surely, 2^{200012001021100} is an apocalyptic number.

200012001021100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200012001021100 is an abundant number, since it is smaller than the sum of its proper divisors (237327217118108).

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

200012001021100 is a wasteful number, since it uses less digits than its factorization.

200012001021100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15268091826 (or 15268091819 counting only the distinct ones).

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

Adding to 200012001021100 its reverse (1120100210002), we get a palindrome (201132101231102).

The spelling of 200012001021100 in words is "two hundred trillion, twelve billion, one million, twenty-one thousand, one hundred".