12100111222222 has 8 divisors (see below), whose sum is σ = 19217823705936. Its totient is φ = 5694169986912.

The previous prime is 12100111222151. The next prime is 12100111222247. The reversal of 12100111222222 is 22222211100121.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12100111222222.

It is a congruent number.

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, 177942812058 + ... + 177942812125.

It is an arithmetic number, because the mean of its divisors is an integer number (2402227963242).

Almost surely, 2^{12100111222222} is an apocalyptic number.

12100111222222 is a deficient number, since it is larger than the sum of its proper divisors (7117712483714).

12100111222222 is a wasteful number, since it uses less digits than its factorization.

12100111222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355885624202.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12100111222222 its reverse (22222211100121), we get a palindrome (34322322322343).

The spelling of 12100111222222 in words is "twelve trillion, one hundred billion, one hundred eleven million, two hundred twenty-two thousand, two hundred twenty-two".