101001011047 has 2 divisors, whose sum is σ = 101001011048. Its totient is φ = 101001011046.

The previous prime is 101001011017. The next prime is 101001011057. The reversal of 101001011047 is 740110100101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101001011047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101001011047.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101001011017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500505523 + 50500505524.

It is an arithmetic number, because the mean of its divisors is an integer number (50500505524).

Almost surely, 2^101001011047 is an apocalyptic number.

101001011047 is a deficient number, since it is larger than the sum of its proper divisors (1).

101001011047 is an equidigital number, since it uses as much as digits as its factorization.

101001011047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28, while the sum is 16.

Adding to 101001011047 its reverse (740110100101), we get a palindrome (841111111148).

The spelling of 101001011047 in words is "one hundred one billion, one million, eleven thousand, forty-seven".