2112250143 has 4 divisors (see below), whose sum is σ = 2816333528. Its totient is φ = 1408166760.

The previous prime is 2112250123. The next prime is 2112250163. The reversal of 2112250143 is 3410522112.

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

It is an interprime number because it is at equal distance from previous prime (2112250123) and next prime (2112250163).

It is not a de Polignac number, because 2112250143 - 2⁶ = 2112250079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112250123) by changing a digit.

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, 352041688 + ... + 352041693.

It is an arithmetic number, because the mean of its divisors is an integer number (704083382).

Almost surely, 2^2112250143 is an apocalyptic number.

2112250143 is a deficient number, since it is larger than the sum of its proper divisors (704083385).

2112250143 is an equidigital number, since it uses as much as digits as its factorization.

2112250143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704083384.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 2112250143 is about 45959.2226109189. Note that the first 3 decimals coincide. The cubic root of 2112250143 is about 1283.0643829192.

Adding to 2112250143 its reverse (3410522112), we get a palindrome (5522772255).

The spelling of 2112250143 in words is "two billion, one hundred twelve million, two hundred fifty thousand, one hundred forty-three".