12111201110122 has 8 divisors (see below), whose sum is σ = 18168744874500. Its totient is φ = 6054952818624.

The previous prime is 12111201110089. The next prime is 12111201110191. The reversal of 12111201110122 is 22101110211121.

12111201110122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11736386557281 + 374814552841 = 3425841^2 + 612221^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12111201110096 and 12111201110105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 323844847 + ... + 323882242.

Almost surely, 2^{12111201110122} is an apocalyptic number.

12111201110122 is a deficient number, since it is larger than the sum of its proper divisors (6057543764378).

12111201110122 is an equidigital number, since it uses as much as digits as its factorization.

12111201110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647736440.

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

Adding to 12111201110122 its reverse (22101110211121), we get a palindrome (34212311321243).

The spelling of 12111201110122 in words is "twelve trillion, one hundred eleven billion, two hundred one million, one hundred ten thousand, one hundred twenty-two".