2112102122202 has 80 divisors (see below), whose sum is σ = 5011469666280. Its totient is φ = 662566874112.

The previous prime is 2112102122189. The next prime is 2112102122209. The reversal of 2112102122202 is 2022212012112.

It is a happy number.

2112102122202 is a `hidden beast` number, since 21 + 1 + 210 + 212 + 220 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2014182569961 + 97919552241 = 1419219^2 + 312921^2 .

It is a super-2 number, since 2×2112102122202² (a number of 25 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2112102122209) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 47316198 + ... + 47360814.

Almost surely, 2^{2112102122202} is an apocalyptic number.

2112102122202 is an abundant number, since it is smaller than the sum of its proper divisors (2899367544078).

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

2112102122202 is a wasteful number, since it uses less digits than its factorization.

2112102122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61837 (or 61828 counting only the distinct ones).

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

Adding to 2112102122202 its reverse (2022212012112), we get a palindrome (4134314134314).

The spelling of 2112102122202 in words is "two trillion, one hundred twelve billion, one hundred two million, one hundred twenty-two thousand, two hundred two".