2221124143 has 8 divisors (see below), whose sum is σ = 2538768800. Its totient is φ = 1903564800.

The previous prime is 2221124117. The next prime is 2221124189. The reversal of 2221124143 is 3414211222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221124143 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 (2221122143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50683 + ... + 83731.

It is an arithmetic number, because the mean of its divisors is an integer number (317346100).

Almost surely, 2^2221124143 is an apocalyptic number.

2221124143 is a deficient number, since it is larger than the sum of its proper divisors (317644657).

2221124143 is an equidigital number, since it uses as much as digits as its factorization.

2221124143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42657.

The product of its digits is 768, while the sum is 22.

The square root of 2221124143 is about 47128.8037509971. The cubic root of 2221124143 is about 1304.7409032357.

Adding to 2221124143 its reverse (3414211222), we get a palindrome (5635335365).

The spelling of 2221124143 in words is "two billion, two hundred twenty-one million, one hundred twenty-four thousand, one hundred forty-three".