200001202101 has 6 divisors (see below), whose sum is σ = 288890625270. Its totient is φ = 133334134728.

The previous prime is 200001202073. The next prime is 200001202129. The reversal of 200001202101 is 101202100002.

It is an interprime number because it is at equal distance from previous prime (200001202073) and next prime (200001202129).

It can be written as a sum of positive squares in only one way, i.e., 118704366225 + 81296835876 = 344535^2 + 285126^2 .

It is not a de Polignac number, because 200001202101 - 2⁷ = 200001201973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 22222355789 = 200001202101 / (2 + 0 + 0 + 0 + 0 + 1 + 2 + 0 + 2 + 1 + 0 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200001206101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11111177886 + ... + 11111177903.

It is an arithmetic number, because the mean of its divisors is an integer number (48148437545).

Almost surely, 2^200001202101 is an apocalyptic number.

It is an amenable number.

200001202101 is a deficient number, since it is larger than the sum of its proper divisors (88889423169).

200001202101 is a wasteful number, since it uses less digits than its factorization.

200001202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22222355795 (or 22222355792 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 200001202101 its reverse (101202100002), we get a palindrome (301203302103).

The spelling of 200001202101 in words is "two hundred billion, one million, two hundred two thousand, one hundred one".