2112144355 has 4 divisors (see below), whose sum is σ = 2534573232. Its totient is φ = 1689715480.

The previous prime is 2112144341. The next prime is 2112144389. The reversal of 2112144355 is 5534412112.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2112144355 - 2⁷ = 2112144227 is a prime.

It is a super-2 number, since 2×2112144355² = 8922307552716732050, which contains 22 as substring.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 211214431 + ... + 211214440.

It is an arithmetic number, because the mean of its divisors is an integer number (633643308).

Almost surely, 2^2112144355 is an apocalyptic number.

2112144355 is a deficient number, since it is larger than the sum of its proper divisors (422428877).

2112144355 is an equidigital number, since it uses as much as digits as its factorization.

2112144355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422428876.

The product of its digits is 4800, while the sum is 28.

The square root of 2112144355 is about 45958.0717067198. The cubic root of 2112144355 is about 1283.0429626214.

Adding to 2112144355 its reverse (5534412112), we get a palindrome (7646556467).

The spelling of 2112144355 in words is "two billion, one hundred twelve million, one hundred forty-four thousand, three hundred fifty-five".