11100120001 has 2 divisors, whose sum is σ = 11100120002. Its totient is φ = 11100120000.

The previous prime is 11100119969. The next prime is 11100120007. The reversal of 11100120001 is 10002100111.

11100120001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10974657600 + 125462401 = 104760^2 + 11201^2 .

It is an emirp because it is prime and its reverse (10002100111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11100120001 - 2⁵ = 11100119969 is a prime.

It is not a weakly prime, because it can be changed into another prime (11100120007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550060000 + 5550060001.

It is an arithmetic number, because the mean of its divisors is an integer number (5550060001).

Almost surely, 2^11100120001 is an apocalyptic number.

It is an amenable number.

11100120001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100120001 is an equidigital number, since it uses as much as digits as its factorization.

11100120001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 11100120001 its reverse (10002100111), we get a palindrome (21102220112).

The spelling of 11100120001 in words is "eleven billion, one hundred million, one hundred twenty thousand, one".