11143344021201 has 24 divisors (see below), whose sum is σ = 18786752235264. Its totient is φ = 6232143767040.

The previous prime is 11143344021197. The next prime is 11143344021203. The reversal of 11143344021201 is 10212044334111.

It is a happy number.

11143344021201 is a `hidden beast` number, since 1 + 1 + 1 + 4 + 3 + 3 + 440 + 212 + 0 + 1 = 666.

It is not a de Polignac number, because 11143344021201 - 2² = 11143344021197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11143344021203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1881682960 + ... + 1881688881.

It is an arithmetic number, because the mean of its divisors is an integer number (782781343136).

Almost surely, 2^{11143344021201} is an apocalyptic number.

It is an amenable number.

11143344021201 is a deficient number, since it is larger than the sum of its proper divisors (7643408214063).

11143344021201 is a wasteful number, since it uses less digits than its factorization.

11143344021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3763371901 (or 3763371898 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 11143344021201 its reverse (10212044334111), we get a palindrome (21355388355312).

The spelling of 11143344021201 in words is "eleven trillion, one hundred forty-three billion, three hundred forty-four million, twenty-one thousand, two hundred one".