2112102212122 has 24 divisors (see below), whose sum is σ = 3704110502004. Its totient is φ = 900591797952.

The previous prime is 2112102212117. The next prime is 2112102212167. The reversal of 2112102212122 is 2212122012112.

It can be written as a sum of positive squares in 2 ways, for example, as 2111851274841 + 250937281 = 1453221^2 + 15841^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2112102212122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54681363 + ... + 54719974.

Almost surely, 2^{2112102212122} is an apocalyptic number.

2112102212122 is a deficient number, since it is larger than the sum of its proper divisors (1592008289882).

2112102212122 is a wasteful number, since it uses less digits than its factorization.

2112102212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109401550 (or 109401543 counting only the distinct ones).

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

Adding to 2112102212122 its reverse (2212122012112), we get a palindrome (4324224224234).

The spelling of 2112102212122 in words is "two trillion, one hundred twelve billion, one hundred two million, two hundred twelve thousand, one hundred twenty-two".