101101110978997 has 2 divisors, whose sum is σ = 101101110978998. Its totient is φ = 101101110978996.

The previous prime is 101101110978971. The next prime is 101101110979039. The reversal of 101101110978997 is 799879011101101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97021199804356 + 4079911174641 = 9849934^2 + 2019879^2 .

It is an emirp because it is prime and its reverse (799879011101101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 101101110978997 - 2¹¹ = 101101110976949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101101110978937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50550555489498 + 50550555489499.

It is an arithmetic number, because the mean of its divisors is an integer number (50550555489499).

Almost surely, 2^{101101110978997} is an apocalyptic number.

It is an amenable number.

101101110978997 is a deficient number, since it is larger than the sum of its proper divisors (1).

101101110978997 is an equidigital number, since it uses as much as digits as its factorization.

101101110978997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 285768, while the sum is 55.

The spelling of 101101110978997 in words is "one hundred one trillion, one hundred one billion, one hundred ten million, nine hundred seventy-eight thousand, nine hundred ninety-seven".