11001201013203 has 32 divisors (see below), whose sum is σ = 14795193024000. Its totient is φ = 7270870118400.

The previous prime is 11001201013189. The next prime is 11001201013393. The reversal of 11001201013203 is 30231010210011.

It is a happy number.

It is not a de Polignac number, because 11001201013203 - 2³⁰ = 11000127271379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11001201012203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1051835388 + ... + 1051845846.

It is an arithmetic number, because the mean of its divisors is an integer number (462349782000).

Almost surely, 2^{11001201013203} is an apocalyptic number.

11001201013203 is a deficient number, since it is larger than the sum of its proper divisors (3793992010797).

11001201013203 is a wasteful number, since it uses less digits than its factorization.

11001201013203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14923.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11001201013203 its reverse (30231010210011), we get a palindrome (41232211223214).

The spelling of 11001201013203 in words is "eleven trillion, one billion, two hundred one million, thirteen thousand, two hundred three".