2112102122022 has 72 divisors (see below), whose sum is σ = 4623844534920. Its totient is φ = 696777681600.

The previous prime is 2112102122003. The next prime is 2112102122113. The reversal of 2112102122022 is 2202212012112.

It is a happy number.

2112102122022 is a `hidden beast` number, since 211 + 210 + 2 + 1 + 220 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2112102121986 and 2112102122004.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 117063322 + ... + 117081362.

It is an arithmetic number, because the mean of its divisors is an integer number (64220062985).

Almost surely, 2^{2112102122022} is an apocalyptic number.

2112102122022 is an abundant number, since it is smaller than the sum of its proper divisors (2511742412898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112102122022 is a wasteful number, since it uses less digits than its factorization.

2112102122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18690 (or 18556 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2112102122022 its reverse (2202212012112), we get a palindrome (4314314134134).

The spelling of 2112102122022 in words is "two trillion, one hundred twelve billion, one hundred two million, one hundred twenty-two thousand, twenty-two".