11121122201223 has 8 divisors (see below), whose sum is σ = 15608592563200. Its totient is φ = 7023866653368.

The previous prime is 11121122201219. The next prime is 11121122201279. The reversal of 11121122201223 is 32210222112111.

11121122201223 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 not a de Polignac number, because 11121122201223 - 2² = 11121122201219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11121122201223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121122203223) 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, 97553703463 + ... + 97553703576.

It is an arithmetic number, because the mean of its divisors is an integer number (1951074070400).

Almost surely, 2^{11121122201223} is an apocalyptic number.

11121122201223 is a deficient number, since it is larger than the sum of its proper divisors (4487470361977).

11121122201223 is a wasteful number, since it uses less digits than its factorization.

11121122201223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195107407061.

The product of its (nonzero) digits is 192, while the sum is 21.

Adding to 11121122201223 its reverse (32210222112111), we get a palindrome (43331344313334).

The spelling of 11121122201223 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty-two million, two hundred one thousand, two hundred twenty-three".