101243216047 has 2 divisors, whose sum is σ = 101243216048. Its totient is φ = 101243216046.

The previous prime is 101243216017. The next prime is 101243216119. The reversal of 101243216047 is 740612342101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101243216047 - 2²³ = 101234827439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101243216017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50621608023 + 50621608024.

It is an arithmetic number, because the mean of its divisors is an integer number (50621608024).

Almost surely, 2^101243216047 is an apocalyptic number.

101243216047 is a deficient number, since it is larger than the sum of its proper divisors (1).

101243216047 is an equidigital number, since it uses as much as digits as its factorization.

101243216047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 31.

Adding to 101243216047 its reverse (740612342101), we get a palindrome (841855558148).

The spelling of 101243216047 in words is "one hundred one billion, two hundred forty-three million, two hundred sixteen thousand, forty-seven".