11042144201 has 4 divisors (see below), whose sum is σ = 12045975504. Its totient is φ = 10038312900.

The previous prime is 11042144161. The next prime is 11042144203. The reversal of 11042144201 is 10244124011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10244124011 = 11 ⋅931284001.

It is a de Polignac number, because none of the positive numbers 2^k-11042144201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11042144203) 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, 501915635 + ... + 501915656.

It is an arithmetic number, because the mean of its divisors is an integer number (3011493876).

Almost surely, 2^11042144201 is an apocalyptic number.

11042144201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11042144201 is a deficient number, since it is larger than the sum of its proper divisors (1003831303).

11042144201 is a wasteful number, since it uses less digits than its factorization.

11042144201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003831302.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 11042144201 its reverse (10244124011), we get a palindrome (21286268212).

The spelling of 11042144201 in words is "eleven billion, forty-two million, one hundred forty-four thousand, two hundred one".