11203123230011 has 8 divisors (see below), whose sum is σ = 11438292773040. Its totient is φ = 10970161852032.

The previous prime is 11203123230007. The next prime is 11203123230077. The reversal of 11203123230011 is 11003232130211.

It is a happy number.

11203123230011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11203123230011 - 2² = 11203123230007 is a prime.

It is a super-2 number, since 2×11203123230011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11203123200011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552031010 + ... + 552051303.

It is an arithmetic number, because the mean of its divisors is an integer number (1429786596630).

Almost surely, 2^{11203123230011} is an apocalyptic number.

11203123230011 is a deficient number, since it is larger than the sum of its proper divisors (235169543029).

11203123230011 is a wasteful number, since it uses less digits than its factorization.

11203123230011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104082525.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11203123230011 its reverse (11003232130211), we get a palindrome (22206355360222).

The spelling of 11203123230011 in words is "eleven trillion, two hundred three billion, one hundred twenty-three million, two hundred thirty thousand, eleven".