100011110046721 has 2 divisors, whose sum is σ = 100011110046722. Its totient is φ = 100011110046720.

The previous prime is 100011110046707. The next prime is 100011110046737. The reversal of 100011110046721 is 127640011110001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63785156606721 + 36225953440000 = 7986561^2 + 6018800^2 .

It is a cyclic number.

It is not a de Polignac number, because 100011110046721 - 2³⁷ = 99873671093249 is a prime.

It is not a weakly prime, because it can be changed into another prime (100011110046791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005555023360 + 50005555023361.

It is an arithmetic number, because the mean of its divisors is an integer number (50005555023361).

Almost surely, 2^{100011110046721} is an apocalyptic number.

It is an amenable number.

100011110046721 is a deficient number, since it is larger than the sum of its proper divisors (1).

100011110046721 is an equidigital number, since it uses as much as digits as its factorization.

100011110046721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 25.

Adding to 100011110046721 its reverse (127640011110001), we get a palindrome (227651121156722).

The spelling of 100011110046721 in words is "one hundred trillion, eleven billion, one hundred ten million, forty-six thousand, seven hundred twenty-one".