12122110000111 has 4 divisors (see below), whose sum is σ = 12122578260000. Its totient is φ = 12121641740224.

The previous prime is 12122110000067. The next prime is 12122110000127. The reversal of 12122110000111 is 11100001122121.

It is a happy number.

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 12122110000111 - 2²⁵ = 12122076445679 is a prime.

It is a super-2 number, since 2×12122110000111² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12122110000091 and 12122110000100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122110000811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234091111 + ... + 234142888.

It is an arithmetic number, because the mean of its divisors is an integer number (3030644565000).

Almost surely, 2^{12122110000111} is an apocalyptic number.

12122110000111 is a deficient number, since it is larger than the sum of its proper divisors (468259889).

12122110000111 is an equidigital number, since it uses as much as digits as its factorization.

12122110000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468259888.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12122110000111 its reverse (11100001122121), we get a palindrome (23222111122232).

The spelling of 12122110000111 in words is "twelve trillion, one hundred twenty-two billion, one hundred ten million, one hundred eleven", and thus it is an aban number.