100011219947 has 2 divisors, whose sum is σ = 100011219948. Its totient is φ = 100011219946.

The previous prime is 100011219887. The next prime is 100011219983. The reversal of 100011219947 is 749912110001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100011219947 is a prime.

It is not a weakly prime, because it can be changed into another prime (100011212947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005609973 + 50005609974.

It is an arithmetic number, because the mean of its divisors is an integer number (50005609974).

Almost surely, 2^100011219947 is an apocalyptic number.

100011219947 is a deficient number, since it is larger than the sum of its proper divisors (1).

100011219947 is an equidigital number, since it uses as much as digits as its factorization.

100011219947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 35.

Adding to 100011219947 its reverse (749912110001), we get a palindrome (849923329948).

The spelling of 100011219947 in words is "one hundred billion, eleven million, two hundred nineteen thousand, nine hundred forty-seven".