22111100110111 has 4 divisors (see below), whose sum is σ = 22581549048672. Its totient is φ = 21640651171552.

The previous prime is 22111100110103. The next prime is 22111100110129. The reversal of 22111100110111 is 11101100111122.

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 22111100110111 - 2³ = 22111100110103 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22111100110091 and 22111100110100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111100113111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235224469210 + ... + 235224469303.

It is an arithmetic number, because the mean of its divisors is an integer number (5645387262168).

Almost surely, 2^{22111100110111} is an apocalyptic number.

22111100110111 is a deficient number, since it is larger than the sum of its proper divisors (470448938561).

22111100110111 is an equidigital number, since it uses as much as digits as its factorization.

22111100110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470448938560.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 22111100110111 its reverse (11101100111122), we get a palindrome (33212200221233).

The spelling of 22111100110111 in words is "twenty-two trillion, one hundred eleven billion, one hundred million, one hundred ten thousand, one hundred eleven".