11420144201 has 4 divisors (see below), whose sum is σ = 11420421504. Its totient is φ = 11419866900.

The previous prime is 11420144191. The next prime is 11420144209. The reversal of 11420144201 is 10244102411.

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: 10244102411 = 23 ⋅445395757.

It is a cyclic number.

It is not a de Polignac number, because 11420144201 - 2³⁰ = 10346402377 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 (11420144209) 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, 63185 + ... + 163806.

It is an arithmetic number, because the mean of its divisors is an integer number (2855105376).

Almost surely, 2^11420144201 is an apocalyptic number.

It is an amenable number.

11420144201 is a deficient number, since it is larger than the sum of its proper divisors (277303).

11420144201 is an equidigital number, since it uses as much as digits as its factorization.

11420144201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277302.

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

Adding to 11420144201 its reverse (10244102411), we get a palindrome (21664246612).

The spelling of 11420144201 in words is "eleven billion, four hundred twenty million, one hundred forty-four thousand, two hundred one".