2112102120122 has 16 divisors (see below), whose sum is σ = 3192044586720. Its totient is φ = 1048102921008.

The previous prime is 2112102120113. The next prime is 2112102120203. The reversal of 2112102120122 is 2210212012112.

It is a self number, because there is not a number n which added to its sum of digits gives 2112102120122.

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 7 ways as a sum of consecutive naturals, for example, 3645548 + ... + 4184999.

It is an arithmetic number, because the mean of its divisors is an integer number (199502786670).

Almost surely, 2^{2112102120122} is an apocalyptic number.

2112102120122 is a deficient number, since it is larger than the sum of its proper divisors (1079942466598).

2112102120122 is a wasteful number, since it uses less digits than its factorization.

2112102120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7831565.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2112102120122 its reverse (2210212012112), we get a palindrome (4322314132234).

It can be divided in two parts, 211210 and 2120122, that added together give a palindrome (2331332).

The spelling of 2112102120122 in words is "two trillion, one hundred twelve billion, one hundred two million, one hundred twenty thousand, one hundred twenty-two".