110001100999901 has 2 divisors, whose sum is σ = 110001100999902. Its totient is φ = 110001100999900.

The previous prime is 110001100999879. The next prime is 110001100999969. The reversal of 110001100999901 is 109999001100011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92883237384025 + 17117863615876 = 9637595^2 + 4137374^2 .

It is a cyclic number.

It is not a de Polignac number, because 110001100999901 - 2⁶ = 110001100999837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110001100929901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55000550499950 + 55000550499951.

It is an arithmetic number, because the mean of its divisors is an integer number (55000550499951).

Almost surely, 2^{110001100999901} is an apocalyptic number.

It is an amenable number.

110001100999901 is a deficient number, since it is larger than the sum of its proper divisors (1).

110001100999901 is an equidigital number, since it uses as much as digits as its factorization.

110001100999901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6561, while the sum is 41.

The spelling of 110001100999901 in words is "one hundred ten trillion, one billion, one hundred million, nine hundred ninety-nine thousand, nine hundred one".