201110021020201 has 4 divisors (see below), whose sum is σ = 202272506691012. Its totient is φ = 199947535349392.

The previous prime is 201110021020199. The next prime is 201110021020213. The reversal of 201110021020201 is 102020120011102.

201110021020201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 103964554082601 + 97145466937600 = 10196301^2 + 9856240^2 .

It is a cyclic number.

It is not a de Polignac number, because 201110021020201 - 2¹ = 201110021020199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201110021029201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581242835146 + ... + 581242835491.

It is an arithmetic number, because the mean of its divisors is an integer number (50568126672753).

Almost surely, 2^{201110021020201} is an apocalyptic number.

It is an amenable number.

201110021020201 is a deficient number, since it is larger than the sum of its proper divisors (1162485670811).

201110021020201 is a wasteful number, since it uses less digits than its factorization.

201110021020201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162485670810.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201110021020201 its reverse (102020120011102), we get a palindrome (303130141031303).

The spelling of 201110021020201 in words is "two hundred one trillion, one hundred ten billion, twenty-one million, twenty thousand, two hundred one".