1100000115101 has 2 divisors, whose sum is σ = 1100000115102. Its totient is φ = 1100000115100.

The previous prime is 1100000115047. The next prime is 1100000115211. The reversal of 1100000115101 is 1015110000011.

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., 820381251001 + 279618864100 = 905749^2 + 528790^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100000115101 - 2¹⁰ = 1100000114077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100000115301) 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, 550000057550 + 550000057551.

It is an arithmetic number, because the mean of its divisors is an integer number (550000057551).

Almost surely, 2^{1100000115101} is an apocalyptic number.

It is an amenable number.

1100000115101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100000115101 is an equidigital number, since it uses as much as digits as its factorization.

1100000115101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5, while the sum is 11.

Adding to 1100000115101 its reverse (1015110000011), we get a palindrome (2115110115112).

The spelling of 1100000115101 in words is "one trillion, one hundred billion, one hundred fifteen thousand, one hundred one".