20001012200101 has 16 divisors (see below), whose sum is σ = 20667267878400. Its totient is φ = 19343942498160.

The previous prime is 20001012200053. The next prime is 20001012200119. The reversal of 20001012200101 is 10100221010002.

It is a cyclic number.

It is not a de Polignac number, because 20001012200101 - 2¹¹ = 20001012198053 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 (20001012200161) 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, 38268306 + ... + 38787436.

It is an arithmetic number, because the mean of its divisors is an integer number (1291704242400).

Almost surely, 2^{20001012200101} is an apocalyptic number.

It is an amenable number.

20001012200101 is a deficient number, since it is larger than the sum of its proper divisors (666255678299).

20001012200101 is a wasteful number, since it uses less digits than its factorization.

20001012200101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527976.

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

Adding to 20001012200101 its reverse (10100221010002), we get a palindrome (30101233210103).

The spelling of 20001012200101 in words is "twenty trillion, one billion, twelve million, two hundred thousand, one hundred one".