200220102100100 has 36 divisors (see below), whose sum is σ = 434515024235124. Its totient is φ = 80081146337280.

The previous prime is 200220102100091. The next prime is 200220102100157. The reversal of 200220102100100 is 1001201022002.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 2955380450884 + 197264721649216 = 1719122^2 + 14045096^2 .

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, 85013777 + ... + 87337176.

It is an arithmetic number, because the mean of its divisors is an integer number (12069861784309).

Almost surely, 2^{200220102100100} is an apocalyptic number.

200220102100100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200220102100100 is an abundant number, since it is smaller than the sum of its proper divisors (234294922135024).

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

200220102100100 is a wasteful number, since it uses less digits than its factorization.

200220102100100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172362584 (or 172362577 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 200220102100100 its reverse (1001201022002), we get a palindrome (201221303122102).

The spelling of 200220102100100 in words is "two hundred trillion, two hundred twenty billion, one hundred two million, one hundred thousand, one hundred".