11100302261 has 2 divisors, whose sum is σ = 11100302262. Its totient is φ = 11100302260.

The previous prime is 11100302243. The next prime is 11100302263. The reversal of 11100302261 is 16220300111.

11100302261 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., 10918996036 + 181306225 = 104494^2 + 13465^2 .

It is a cyclic number.

It is not a de Polignac number, because 11100302261 - 2¹⁰ = 11100301237 is a prime.

Together with 11100302263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11100302263) 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, 5550151130 + 5550151131.

It is an arithmetic number, because the mean of its divisors is an integer number (5550151131).

Almost surely, 2^11100302261 is an apocalyptic number.

It is an amenable number.

11100302261 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100302261 is an equidigital number, since it uses as much as digits as its factorization.

11100302261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11100302261 its reverse (16220300111), we get a palindrome (27320602372).

The spelling of 11100302261 in words is "eleven billion, one hundred million, three hundred two thousand, two hundred sixty-one".