10202000020001 has 4 divisors (see below), whose sum is σ = 10214306414100. Its totient is φ = 10189693625904.

The previous prime is 10202000019971. The next prime is 10202000020033. The reversal of 10202000020001 is 10002000020201.

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 2788365625600 + 7413634394401 = 1669840^2 + 2722799^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10202000020001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10202000020061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6153195806 + ... + 6153197463.

It is an arithmetic number, because the mean of its divisors is an integer number (2553576603525).

Almost surely, 2^{10202000020001} is an apocalyptic number.

It is an amenable number.

10202000020001 is a deficient number, since it is larger than the sum of its proper divisors (12306394099).

10202000020001 is an equidigital number, since it uses as much as digits as its factorization.

10202000020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12306394098.

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

Adding to 10202000020001 its reverse (10002000020201), we get a palindrome (20204000040202).

The spelling of 10202000020001 in words is "ten trillion, two hundred two billion, twenty thousand, one".