200001210100 has 36 divisors (see below), whose sum is σ = 436251386284. Its totient is φ = 79585966080.

The previous prime is 200001210089. The next prime is 200001210103. The reversal of 200001210100 is 1012100002.

It can be written as a sum of positive squares in 6 ways, for example, as 5715964816 + 194285245284 = 75604^2 + 440778^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200001210103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5162079 + ... + 5200678.

Almost surely, 2^200001210100 is an apocalyptic number.

200001210100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200001210100 is an abundant number, since it is smaller than the sum of its proper divisors (236250176184).

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

200001210100 is a wasteful number, since it uses less digits than its factorization.

200001210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10362964 (or 10362957 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 200001210100 its reverse (1012100002), we get a palindrome (201013310102).

The spelling of 200001210100 in words is "two hundred billion, one million, two hundred ten thousand, one hundred".