2143221333105 has 16 divisors (see below), whose sum is σ = 3609635929920. Its totient is φ = 1082890778688.

The previous prime is 2143221333103. The next prime is 2143221333109. The reversal of 2143221333105 is 5013331223412.

It is not a de Polignac number, because 2143221333105 - 2¹ = 2143221333103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143221333103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3760037142 + ... + 3760037711.

It is an arithmetic number, because the mean of its divisors is an integer number (225602245620).

Almost surely, 2^{2143221333105} is an apocalyptic number.

It is an amenable number.

2143221333105 is a deficient number, since it is larger than the sum of its proper divisors (1466414596815).

2143221333105 is a wasteful number, since it uses less digits than its factorization.

2143221333105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7520074880.

The product of its (nonzero) digits is 12960, while the sum is 30.

Adding to 2143221333105 its reverse (5013331223412), we get a palindrome (7156552556517).

The spelling of 2143221333105 in words is "two trillion, one hundred forty-three billion, two hundred twenty-one million, three hundred thirty-three thousand, one hundred five".