11040123101201 has 4 divisors (see below), whose sum is σ = 11689542107172. Its totient is φ = 10390704095232.

The previous prime is 11040123101197. The next prime is 11040123101237. The reversal of 11040123101201 is 10210132104011.

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 5823901052176 + 5216222049025 = 2413276^2 + 2283905^2 .

It is a cyclic number.

It is not a de Polignac number, because 11040123101201 - 2² = 11040123101197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 649419005953 = 11040123101201 / (1 + 1 + 0 + 4 + 0 + 1 + 2 + 3 + 1 + 0 + 1 + 2 + 0 + 1).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11040123101201.

It is not an unprimeable number, because it can be changed into a prime (11040123101261) 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, 324709502960 + ... + 324709502993.

It is an arithmetic number, because the mean of its divisors is an integer number (2922385526793).

Almost surely, 2^{11040123101201} is an apocalyptic number.

It is an amenable number.

11040123101201 is a deficient number, since it is larger than the sum of its proper divisors (649419005971).

11040123101201 is an equidigital number, since it uses as much as digits as its factorization.

11040123101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649419005970.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11040123101201 its reverse (10210132104011), we get a palindrome (21250255205212).

The spelling of 11040123101201 in words is "eleven trillion, forty billion, one hundred twenty-three million, one hundred one thousand, two hundred one".