12111102222122 has 8 divisors (see below), whose sum is σ = 18182830231776. Its totient is φ = 6050158811532.

The previous prime is 12111102222103. The next prime is 12111102222139. The reversal of 12111102222122 is 22122220111121.

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 = 12111102222094 and 12111102222103.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2696146958 + ... + 2696151449.

It is an arithmetic number, because the mean of its divisors is an integer number (2272853778972).

Almost surely, 2^{12111102222122} is an apocalyptic number.

12111102222122 is a deficient number, since it is larger than the sum of its proper divisors (6071728009654).

12111102222122 is a wasteful number, since it uses less digits than its factorization.

12111102222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5392299532.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 12111102222122 its reverse (22122220111121), we get a palindrome (34233322333243).

The spelling of 12111102222122 in words is "twelve trillion, one hundred eleven billion, one hundred two million, two hundred twenty-two thousand, one hundred twenty-two".