2101143073 has 2 divisors, whose sum is σ = 2101143074. Its totient is φ = 2101143072.

The previous prime is 2101143071. The next prime is 2101143133. The reversal of 2101143073 is 3703411012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1286154769 + 814988304 = 35863^2 + 28548^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101143073 - 2¹ = 2101143071 is a prime.

Together with 2101143071, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2101143071) 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 as a sum of consecutive naturals, namely, 1050571536 + 1050571537.

It is an arithmetic number, because the mean of its divisors is an integer number (1050571537).

Almost surely, 2^2101143073 is an apocalyptic number.

It is an amenable number.

2101143073 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101143073 is an equidigital number, since it uses as much as digits as its factorization.

2101143073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 2101143073 is about 45838.2272017581. The cubic root of 2101143073 is about 1280.8114713299.

Adding to 2101143073 its reverse (3703411012), we get a palindrome (5804554085).

The spelling of 2101143073 in words is "two billion, one hundred one million, one hundred forty-three thousand, seventy-three".