200002100001 has 16 divisors (see below), whose sum is σ = 290944581888. Its totient is φ = 121199878800.

The previous prime is 200002099993. The next prime is 200002100029. The reversal of 200002100001 is 100001200002.

It is a happy number.

It is not a de Polignac number, because 200002100001 - 2³ = 200002099993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200002100101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33331 + ... + 633336.

It is an arithmetic number, because the mean of its divisors is an integer number (18184036368).

Almost surely, 2^200002100001 is an apocalyptic number.

It is an amenable number.

200002100001 is a deficient number, since it is larger than the sum of its proper divisors (90942481887).

200002100001 is a wasteful number, since it uses less digits than its factorization.

200002100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675772.

The product of its (nonzero) digits is 4, while the sum is 6.

Adding to 200002100001 its reverse (100001200002), we get a palindrome (300003300003).

It can be divided in two parts, 200002 and 100001, that multiplied together give a palindrome (20000400002).

The spelling of 200002100001 in words is "two hundred billion, two million, one hundred thousand, one".