11100120111223 has 16 divisors (see below), whose sum is σ = 13041814165632. Its totient is φ = 9313990668000.

The previous prime is 11100120111151. The next prime is 11100120111233. The reversal of 11100120111223 is 32211102100111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11100120111223 - 2²⁵ = 11100086556791 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11100120111197 and 11100120111206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11100120111233) 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, 1630933 + ... + 4985998.

It is an arithmetic number, because the mean of its divisors is an integer number (815113385352).

Almost surely, 2^{11100120111223} is an apocalyptic number.

11100120111223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11100120111223 is a deficient number, since it is larger than the sum of its proper divisors (1941694054409).

11100120111223 is a wasteful number, since it uses less digits than its factorization.

11100120111223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6628686.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11100120111223 its reverse (32211102100111), we get a palindrome (43311222211334).

The spelling of 11100120111223 in words is "eleven trillion, one hundred billion, one hundred twenty million, one hundred eleven thousand, two hundred twenty-three".