2221111143 has 12 divisors (see below), whose sum is σ = 3208885368. Its totient is φ = 1480457520.

The previous prime is 2221111133. The next prime is 2221111177. The reversal of 2221111143 is 3411111222.

It is not a de Polignac number, because 2221111143 - 2¹⁰ = 2221110119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221111103) 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 11 ways as a sum of consecutive naturals, for example, 33273 + ... + 74493.

It is an arithmetic number, because the mean of its divisors is an integer number (267407114).

Almost surely, 2^2221111143 is an apocalyptic number.

2221111143 is a deficient number, since it is larger than the sum of its proper divisors (987774225).

2221111143 is a wasteful number, since it uses less digits than its factorization.

2221111143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47214 (or 47211 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 2221111143 is about 47128.6658308932. The cubic root of 2221111143 is about 1304.7383577282.

Adding to 2221111143 its reverse (3411111222), we get a palindrome (5632222365).

The spelling of 2221111143 in words is "two billion, two hundred twenty-one million, one hundred eleven thousand, one hundred forty-three".