20211000200101 has 8 divisors (see below), whose sum is σ = 20622756908664. Its totient is φ = 19800370050240.

The previous prime is 20211000200071. The next prime is 20211000200123. The reversal of 20211000200101 is 10100200011202.

It can be written as a sum of positive squares in 4 ways, for example, as 17136693843201 + 3074306356900 = 4139649^2 + 1753370^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20211000200101 - 2⁹ = 20211000199589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211001200101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281603430 + ... + 281675191.

It is an arithmetic number, because the mean of its divisors is an integer number (2577844613583).

Almost surely, 2^{20211000200101} is an apocalyptic number.

It is an amenable number.

20211000200101 is a deficient number, since it is larger than the sum of its proper divisors (411756708563).

20211000200101 is an equidigital number, since it uses as much as digits as its factorization.

20211000200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563279351.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 20211000200101 its reverse (10100200011202), we get a palindrome (30311200211303).

The spelling of 20211000200101 in words is "twenty trillion, two hundred eleven billion, two hundred thousand, one hundred one".