2124220143 has 4 divisors (see below), whose sum is σ = 2832293528. Its totient is φ = 1416146760.

The previous prime is 2124220093. The next prime is 2124220157. The reversal of 2124220143 is 3410224212.

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

It is not a de Polignac number, because 2124220143 - 2²⁵ = 2090665711 is a prime.

It is a super-2 number, since 2×2124220143² = 9024622431853880898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2124220243) 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, 354036688 + ... + 354036693.

It is an arithmetic number, because the mean of its divisors is an integer number (708073382).

Almost surely, 2^2124220143 is an apocalyptic number.

2124220143 is a deficient number, since it is larger than the sum of its proper divisors (708073385).

2124220143 is an equidigital number, since it uses as much as digits as its factorization.

2124220143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708073384.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2124220143 is about 46089.2627734487. The cubic root of 2124220143 is about 1285.4835029920.

Adding to 2124220143 its reverse (3410224212), we get a palindrome (5534444355).

The spelling of 2124220143 in words is "two billion, one hundred twenty-four million, two hundred twenty thousand, one hundred forty-three".