200020012110001 has 4 divisors (see below), whose sum is σ = 200029246239604. Its totient is φ = 200010777980400.

The previous prime is 200020012109969. The next prime is 200020012110047. The reversal of 200020012110001 is 100011210020002.

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 41359561699600 + 158660450410401 = 6431140^2 + 12596049^2 .

It is a cyclic number.

It is not a de Polignac number, because 200020012110001 - 2⁵ = 200020012109969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200020012110001.

It is not an unprimeable number, because it can be changed into a prime (200020012110601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4617032310 + ... + 4617075631.

It is an arithmetic number, because the mean of its divisors is an integer number (50007311559901).

Almost surely, 2^{200020012110001} is an apocalyptic number.

It is an amenable number.

200020012110001 is a deficient number, since it is larger than the sum of its proper divisors (9234129603).

200020012110001 is an equidigital number, since it uses as much as digits as its factorization.

200020012110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9234129602.

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

Adding to 200020012110001 its reverse (100011210020002), we get a palindrome (300031222130003).

The spelling of 200020012110001 in words is "two hundred trillion, twenty billion, twelve million, one hundred ten thousand, one".