2142211143 has 4 divisors (see below), whose sum is σ = 2856281528. Its totient is φ = 1428140760.

The previous prime is 2142211139. The next prime is 2142211151. The reversal of 2142211143 is 3411122412.

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

It is not a de Polignac number, because 2142211143 - 2² = 2142211139 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 (2142211133) 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, 357035188 + ... + 357035193.

It is an arithmetic number, because the mean of its divisors is an integer number (714070382).

Almost surely, 2^2142211143 is an apocalyptic number.

2142211143 is a deficient number, since it is larger than the sum of its proper divisors (714070385).

2142211143 is an equidigital number, since it uses as much as digits as its factorization.

2142211143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714070384.

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

The square root of 2142211143 is about 46284.0268667280. The cubic root of 2142211143 is about 1289.1024229070.

Adding to 2142211143 its reverse (3411122412), we get a palindrome (5553333555).

The spelling of 2142211143 in words is "two billion, one hundred forty-two million, two hundred eleven thousand, one hundred forty-three".