101100121101247 has 2 divisors, whose sum is σ = 101100121101248. Its totient is φ = 101100121101246.

The previous prime is 101100121101179. The next prime is 101100121101349. The reversal of 101100121101247 is 742101121001101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101100121101247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101100121101647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50550060550623 + 50550060550624.

It is an arithmetic number, because the mean of its divisors is an integer number (50550060550624).

Almost surely, 2^{101100121101247} is an apocalyptic number.

101100121101247 is a deficient number, since it is larger than the sum of its proper divisors (1).

101100121101247 is an equidigital number, since it uses as much as digits as its factorization.

101100121101247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 22.

Adding to 101100121101247 its reverse (742101121001101), we get a palindrome (843201242102348).

The spelling of 101100121101247 in words is "one hundred one trillion, one hundred billion, one hundred twenty-one million, one hundred one thousand, two hundred forty-seven".