11121220011323 has 16 divisors (see below), whose sum is σ = 11732620919040. Its totient is φ = 10512452167200.

The previous prime is 11121220011299. The next prime is 11121220011337. The reversal of 11121220011323 is 32311002212111.

It is a cyclic number.

It is not a de Polignac number, because 11121220011323 - 2²⁴ = 11121203234107 is a prime.

It is a super-2 number, since 2×11121220011323² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11121220011295 and 11121220011304.

It is not an unprimeable number, because it can be changed into a prime (11121220011353) 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 15 ways as a sum of consecutive naturals, for example, 15256268 + ... + 15968598.

It is an arithmetic number, because the mean of its divisors is an integer number (733288807440).

Almost surely, 2^{11121220011323} is an apocalyptic number.

11121220011323 is a deficient number, since it is larger than the sum of its proper divisors (611400907717).

11121220011323 is a wasteful number, since it uses less digits than its factorization.

11121220011323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714178.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11121220011323 its reverse (32311002212111), we get a palindrome (43432222223434).

The spelling of 11121220011323 in words is "eleven trillion, one hundred twenty-one billion, two hundred twenty million, eleven thousand, three hundred twenty-three".