20110001010201 has 6 divisors (see below), whose sum is σ = 29047779236970. Its totient is φ = 13406667340128.

The previous prime is 20110001010173. The next prime is 20110001010233. The reversal of 20110001010201 is 10201010001102.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 19487598354576 + 622402655625 = 4414476^2 + 788925^2 .

It is not a de Polignac number, because 20110001010201 - 2¹³ = 20110001002009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 2234444556689 = 20110001010201 / (2 + 0 + 1 + 1 + 0 + 0 + 0 + 1 + 0 + 1 + 0 + 2 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (20110001080201) 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 5 ways as a sum of consecutive naturals, for example, 1117222278336 + ... + 1117222278353.

It is an arithmetic number, because the mean of its divisors is an integer number (4841296539495).

Almost surely, 2^{20110001010201} is an apocalyptic number.

It is an amenable number.

20110001010201 is a deficient number, since it is larger than the sum of its proper divisors (8937778226769).

20110001010201 is a wasteful number, since it uses less digits than its factorization.

20110001010201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234444556695 (or 2234444556692 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20110001010201 its reverse (10201010001102), we get a palindrome (30311011011303).

The spelling of 20110001010201 in words is "twenty trillion, one hundred ten billion, one million, ten thousand, two hundred one".