11020121267 has 2 divisors, whose sum is σ = 11020121268. Its totient is φ = 11020121266.

The previous prime is 11020121257. The next prime is 11020121309. The reversal of 11020121267 is 76212102011.

11020121267 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (76212102011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11020121267 - 2⁴ = 11020121251 is a prime.

It is not a weakly prime, because it can be changed into another prime (11020121237) 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, 5510060633 + 5510060634.

It is an arithmetic number, because the mean of its divisors is an integer number (5510060634).

Almost surely, 2^11020121267 is an apocalyptic number.

11020121267 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020121267 is an equidigital number, since it uses as much as digits as its factorization.

11020121267 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 11020121267 its reverse (76212102011), we get a palindrome (87232223278).

The spelling of 11020121267 in words is "eleven billion, twenty million, one hundred twenty-one thousand, two hundred sixty-seven".