11201111202023 has 4 divisors (see below), whose sum is σ = 11211891868320. Its totient is φ = 11190330535728.

The previous prime is 11201111202011. The next prime is 11201111202119. The reversal of 11201111202023 is 32020211110211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11201111202023 - 2²⁶ = 11201044093159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11201111201992 and 11201111202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11201111202623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5390331590 + ... + 5390333667.

It is an arithmetic number, because the mean of its divisors is an integer number (2802972967080).

Almost surely, 2^{11201111202023} is an apocalyptic number.

11201111202023 is a deficient number, since it is larger than the sum of its proper divisors (10780666297).

11201111202023 is a wasteful number, since it uses less digits than its factorization.

11201111202023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10780666296.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 11201111202023 its reverse (32020211110211), we get a palindrome (43221322312234).

The spelling of 11201111202023 in words is "eleven trillion, two hundred one billion, one hundred eleven million, two hundred two thousand, twenty-three".