11222129977 has 2 divisors, whose sum is σ = 11222129978. Its totient is φ = 11222129976.

The previous prime is 11222129951. The next prime is 11222130001. The reversal of 11222129977 is 77992122211.

11222129977 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., 9915379776 + 1306750201 = 99576^2 + 36149^2 .

It is an emirp because it is prime and its reverse (77992122211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11222129977 - 2¹¹ = 11222127929 is a prime.

It is not a weakly prime, because it can be changed into another prime (11222126977) 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, 5611064988 + 5611064989.

It is an arithmetic number, because the mean of its divisors is an integer number (5611064989).

Almost surely, 2^11222129977 is an apocalyptic number.

It is an amenable number.

11222129977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222129977 is an equidigital number, since it uses as much as digits as its factorization.

11222129977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 43.

The spelling of 11222129977 in words is "eleven billion, two hundred twenty-two million, one hundred twenty-nine thousand, nine hundred seventy-seven".