101011099997 has 2 divisors, whose sum is σ = 101011099998. Its totient is φ = 101011099996.

The previous prime is 101011099993. The next prime is 101011100017. The reversal of 101011099997 is 799990110101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59136026041 + 41875073956 = 243179^2 + 204634^2 .

It is a cyclic number.

It is not a de Polignac number, because 101011099997 - 2² = 101011099993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101011099993) 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, 50505549998 + 50505549999.

It is an arithmetic number, because the mean of its divisors is an integer number (50505549999).

Almost surely, 2^101011099997 is an apocalyptic number.

It is an amenable number.

101011099997 is a deficient number, since it is larger than the sum of its proper divisors (1).

101011099997 is an equidigital number, since it uses as much as digits as its factorization.

101011099997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45927, while the sum is 47.

The spelling of 101011099997 in words is "one hundred one billion, eleven million, ninety-nine thousand, nine hundred ninety-seven".