12100111012222 has 8 divisors (see below), whose sum is σ = 18776034329400. Its totient is φ = 5841432902424.

The previous prime is 12100111012219. The next prime is 12100111012261. The reversal of 12100111012222 is 22221011100121.

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

It is a super-2 number, since 2×12100111012222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12100111012196 and 12100111012205.

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, 104311301772 + ... + 104311301887.

It is an arithmetic number, because the mean of its divisors is an integer number (2347004291175).

Almost surely, 2^{12100111012222} is an apocalyptic number.

12100111012222 is a deficient number, since it is larger than the sum of its proper divisors (6675923317178).

12100111012222 is a wasteful number, since it uses less digits than its factorization.

12100111012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208622603690.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12100111012222 its reverse (22221011100121), we get a palindrome (34321122112343).

The spelling of 12100111012222 in words is "twelve trillion, one hundred billion, one hundred eleven million, twelve thousand, two hundred twenty-two".