1091092018201 has 8 divisors (see below), whose sum is σ = 1101218170824. Its totient is φ = 1080974119680.

The previous prime is 1091092018199. The next prime is 1091092018241. The reversal of 1091092018201 is 1028102901901.

1091092018201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7621290000 + 1083470728201 = 87300^2 + 1040899^2 .

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 1091092018201 - 2¹ = 1091092018199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1091092018241) 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, 1797766 + ... + 2326831.

It is an arithmetic number, because the mean of its divisors is an integer number (137652271353).

Almost surely, 2^{1091092018201} is an apocalyptic number.

It is an amenable number.

1091092018201 is a deficient number, since it is larger than the sum of its proper divisors (10126152623).

1091092018201 is a wasteful number, since it uses less digits than its factorization.

1091092018201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4127051.

The product of its (nonzero) digits is 2592, while the sum is 34.

The spelling of 1091092018201 in words is "one trillion, ninety-one billion, ninety-two million, eighteen thousand, two hundred one".