2112102112222 has 16 divisors (see below), whose sum is σ = 3294559008000. Its totient is φ = 1014297091360.

The previous prime is 2112102112213. The next prime is 2112102112229. The reversal of 2112102112222 is 2222112012112.

It is a self number, because there is not a number n which added to its sum of digits gives 2112102112222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112102112229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95317597 + ... + 95339752.

It is an arithmetic number, because the mean of its divisors is an integer number (205909938000).

Almost surely, 2^{2112102112222} is an apocalyptic number.

2112102112222 is a deficient number, since it is larger than the sum of its proper divisors (1182456895778).

2112102112222 is a wasteful number, since it uses less digits than its factorization.

2112102112222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190657571.

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

Adding to 2112102112222 its reverse (2222112012112), we get a palindrome (4334214124334).

The spelling of 2112102112222 in words is "two trillion, one hundred twelve billion, one hundred two million, one hundred twelve thousand, two hundred twenty-two".