2211271143 has 16 divisors (see below), whose sum is σ = 2989249536. Its totient is φ = 1453800960.

The previous prime is 2211271109. The next prime is 2211271169. The reversal of 2211271143 is 3411721122.

It is a de Polignac number, because none of the positive numbers 2^k-2211271143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211271043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135978 + ... + 151368.

It is an arithmetic number, because the mean of its divisors is an integer number (186828096).

Almost surely, 2^2211271143 is an apocalyptic number.

2211271143 is a deficient number, since it is larger than the sum of its proper divisors (777978393).

2211271143 is a wasteful number, since it uses less digits than its factorization.

2211271143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16054.

The product of its digits is 672, while the sum is 24.

The square root of 2211271143 is about 47024.1548887378. The cubic root of 2211271143 is about 1302.8087482213.

Adding to 2211271143 its reverse (3411721122), we get a palindrome (5622992265).

The spelling of 2211271143 in words is "two billion, two hundred eleven million, two hundred seventy-one thousand, one hundred forty-three".