2112203144 has 8 divisors (see below), whose sum is σ = 3960380910. Its totient is φ = 1056101568.

The previous prime is 2112203143. The next prime is 2112203161. The reversal of 2112203144 is 4413022112.

It can be written as a sum of positive squares in only one way, i.e., 1077808900 + 1034394244 = 32830^2 + 32162^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2112203144² = 8922804243046969472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112203143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132012689 + ... + 132012704.

Almost surely, 2^2112203144 is an apocalyptic number.

It is an amenable number.

2112203144 is a deficient number, since it is larger than the sum of its proper divisors (1848177766).

2112203144 is a wasteful number, since it uses less digits than its factorization.

2112203144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264025399 (or 264025395 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 2112203144 is about 45958.7112961188. The cubic root of 2112203144 is about 1283.0548664973.

Adding to 2112203144 its reverse (4413022112), we get a palindrome (6525225256).

The spelling of 2112203144 in words is "two billion, one hundred twelve million, two hundred three thousand, one hundred forty-four".