22112110121111 has 8 divisors (see below), whose sum is σ = 22164842896800. Its totient is φ = 22059378341280.

The previous prime is 22112110121053. The next prime is 22112110121117. The reversal of 22112110121111 is 11112101121122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22112110121111 - 2¹⁴ = 22112110104727 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 22112110121111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22112110121117) 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 7 ways as a sum of consecutive naturals, for example, 63831470 + ... + 64176948.

It is an arithmetic number, because the mean of its divisors is an integer number (2770605362100).

Almost surely, 2^{22112110121111} is an apocalyptic number.

22112110121111 is a deficient number, since it is larger than the sum of its proper divisors (52732775689).

22112110121111 is a wasteful number, since it uses less digits than its factorization.

22112110121111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497929.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 22112110121111 its reverse (11112101121122), we get a palindrome (33224211242233).

The spelling of 22112110121111 in words is "twenty-two trillion, one hundred twelve billion, one hundred ten million, one hundred twenty-one thousand, one hundred eleven".