100102101247 has 2 divisors, whose sum is σ = 100102101248. Its totient is φ = 100102101246.

The previous prime is 100102101221. The next prime is 100102101251. The reversal of 100102101247 is 742101201001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100102101247 - 2²³ = 100093712639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100102101257) 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, 50051050623 + 50051050624.

It is an arithmetic number, because the mean of its divisors is an integer number (50051050624).

Almost surely, 2^100102101247 is an apocalyptic number.

100102101247 is a deficient number, since it is larger than the sum of its proper divisors (1).

100102101247 is an equidigital number, since it uses as much as digits as its factorization.

100102101247 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 19.

Adding to 100102101247 its reverse (742101201001), we get a palindrome (842203302248).

The spelling of 100102101247 in words is "one hundred billion, one hundred two million, one hundred one thousand, two hundred forty-seven".