1000200010001 has 4 divisors (see below), whose sum is σ = 1000240240692. Its totient is φ = 1000159779312.

The previous prime is 1000200009943. The next prime is 1000200010021. The reversal of 1000200010001 is 1000100020001.

It is a happy number.

It is a Cunningham number, because it is equal to 1000100²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2009190976 + 998190819025 = 44824^2 + 999095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000200010001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000200010021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20078030 + ... + 20127783.

It is an arithmetic number, because the mean of its divisors is an integer number (250060060173).

Almost surely, 2^{1000200010001} is an apocalyptic number.

It is an amenable number.

1000200010001 is a deficient number, since it is larger than the sum of its proper divisors (40230691).

1000200010001 is an equidigital number, since it uses as much as digits as its factorization.

1000200010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40230690.

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 1000200010001 its reverse (1000100020001), we get a palindrome (2000300030002).

The spelling of 1000200010001 in words is "one trillion, two hundred million, ten thousand, one".