2112800022 has 24 divisors (see below), whose sum is σ = 4578749760. Its totient is φ = 704110320.

The previous prime is 2112799993. The next prime is 2112800059. The reversal of 2112800022 is 2200082112.

It is a happy number.

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 = 2112799968 and 2112800004.

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 11 ways as a sum of consecutive naturals, for example, 94104 + ... + 114372.

It is an arithmetic number, because the mean of its divisors is an integer number (190781240).

Almost surely, 2^2112800022 is an apocalyptic number.

2112800022 is an abundant number, since it is smaller than the sum of its proper divisors (2465949738).

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

2112800022 is a wasteful number, since it uses less digits than its factorization.

2112800022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26068 (or 26065 counting only the distinct ones).

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

The square root of 2112800022 is about 45965.2044703382. The cubic root of 2112800022 is about 1283.1757126856.

Adding to 2112800022 its reverse (2200082112), we get a palindrome (4312882134).

The spelling of 2112800022 in words is "two billion, one hundred twelve million, eight hundred thousand, twenty-two".