101042540143 has 2 divisors, whose sum is σ = 101042540144. Its totient is φ = 101042540142.

The previous prime is 101042540141. The next prime is 101042540147. The reversal of 101042540143 is 341045240101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101042540143 - 2¹ = 101042540141 is a prime.

Together with 101042540141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101042540141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50521270071 + 50521270072.

It is an arithmetic number, because the mean of its divisors is an integer number (50521270072).

Almost surely, 2^101042540143 is an apocalyptic number.

101042540143 is a deficient number, since it is larger than the sum of its proper divisors (1).

101042540143 is an equidigital number, since it uses as much as digits as its factorization.

101042540143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 101042540143 its reverse (341045240101), we get a palindrome (442087780244).

The spelling of 101042540143 in words is "one hundred one billion, forty-two million, five hundred forty thousand, one hundred forty-three".