11200121223223 has 4 divisors (see below), whose sum is σ = 11383729767928. Its totient is φ = 11016512678520.

The previous prime is 11200121223209. The next prime is 11200121223241. The reversal of 11200121223223 is 32232212100211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11200121223223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11200121223194 and 11200121223203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11200121223523) 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, 91804272261 + ... + 91804272382.

It is an arithmetic number, because the mean of its divisors is an integer number (2845932441982).

Almost surely, 2^{11200121223223} is an apocalyptic number.

11200121223223 is a deficient number, since it is larger than the sum of its proper divisors (183608544705).

11200121223223 is an equidigital number, since it uses as much as digits as its factorization.

11200121223223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183608544704.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 11200121223223 its reverse (32232212100211), we get a palindrome (43432333323434).

The spelling of 11200121223223 in words is "eleven trillion, two hundred billion, one hundred twenty-one million, two hundred twenty-three thousand, two hundred twenty-three".