100111100000101 has 2 divisors, whose sum is σ = 100111100000102. Its totient is φ = 100111100000100.

The previous prime is 100111100000077. The next prime is 100111100000123. The reversal of 100111100000101 is 101000001111001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89680615900225 + 10430484099876 = 9469985^2 + 3229626^2 .

It is a cyclic number.

It is not a de Polignac number, because 100111100000101 - 2¹⁹ = 100111099475813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100111100000701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50055550000050 + 50055550000051.

It is an arithmetic number, because the mean of its divisors is an integer number (50055550000051).

Almost surely, 2^{100111100000101} is an apocalyptic number.

It is an amenable number.

100111100000101 is a deficient number, since it is larger than the sum of its proper divisors (1).

100111100000101 is an equidigital number, since it uses as much as digits as its factorization.

100111100000101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 100111100000101 its reverse (101000001111001), we get a palindrome (201111101111102).

The spelling of 100111100000101 in words is "one hundred trillion, one hundred eleven billion, one hundred million, one hundred one", and thus it is an aban number.