2112144213 has 4 divisors (see below), whose sum is σ = 2816192288. Its totient is φ = 1408096140.

The previous prime is 2112144193. The next prime is 2112144227. The reversal of 2112144213 is 3124412112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-2112144213 is a prime.

It is a super-2 number, since 2×2112144213² = 8922306353018778738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112144213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112144283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352024033 + ... + 352024038.

It is an arithmetic number, because the mean of its divisors is an integer number (704048072).

Almost surely, 2^2112144213 is an apocalyptic number.

It is an amenable number.

2112144213 is a deficient number, since it is larger than the sum of its proper divisors (704048075).

2112144213 is an equidigital number, since it uses as much as digits as its factorization.

2112144213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704048074.

The product of its digits is 384, while the sum is 21.

The square root of 2112144213 is about 45958.0701618334. The cubic root of 2112144213 is about 1283.0429338683.

Adding to 2112144213 its reverse (3124412112), we get a palindrome (5236556325).

The spelling of 2112144213 in words is "two billion, one hundred twelve million, one hundred forty-four thousand, two hundred thirteen".