100100101109947 has 2 divisors, whose sum is σ = 100100101109948. Its totient is φ = 100100101109946.

The previous prime is 100100101109909. The next prime is 100100101110041. The reversal of 100100101109947 is 749901101001001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 100100101109947 - 2³⁵ = 100065741371579 is a prime.

It is a super-3 number, since 3×100100101109947³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (100100101109447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50050050554973 + 50050050554974.

It is an arithmetic number, because the mean of its divisors is an integer number (50050050554974).

Almost surely, 2^{100100101109947} is an apocalyptic number.

100100101109947 is a deficient number, since it is larger than the sum of its proper divisors (1).

100100101109947 is an equidigital number, since it uses as much as digits as its factorization.

100100101109947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 34.

The spelling of 100100101109947 in words is "one hundred trillion, one hundred billion, one hundred one million, one hundred nine thousand, nine hundred forty-seven".