2101002143 has 2 divisors, whose sum is σ = 2101002144. Its totient is φ = 2101002142.

The previous prime is 2101002061. The next prime is 2101002151. The reversal of 2101002143 is 3412001012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101002143 - 2¹⁸ = 2100739999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101002193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050501071 + 1050501072.

It is an arithmetic number, because the mean of its divisors is an integer number (1050501072).

Almost surely, 2^2101002143 is an apocalyptic number.

2101002143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101002143 is an equidigital number, since it uses as much as digits as its factorization.

2101002143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2101002143 is about 45836.6899219392. The cubic root of 2101002143 is about 1280.7828347274.

Adding to 2101002143 its reverse (3412001012), we get a palindrome (5513003155).

The spelling of 2101002143 in words is "two billion, one hundred one million, two thousand, one hundred forty-three".