11002221977 has 2 divisors, whose sum is σ = 11002221978. Its totient is φ = 11002221976.

The previous prime is 11002221973. The next prime is 11002222009. The reversal of 11002221977 is 77912220011.

11002221977 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (11002222009) can be obtained adding 11002221977 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6631822096 + 4370399881 = 81436^2 + 66109^2 .

It is a cyclic number.

It is not a de Polignac number, because 11002221977 - 2² = 11002221973 is a prime.

It is not a weakly prime, because it can be changed into another prime (11002221973) 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, 5501110988 + 5501110989.

It is an arithmetic number, because the mean of its divisors is an integer number (5501110989).

Almost surely, 2^11002221977 is an apocalyptic number.

It is an amenable number.

11002221977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11002221977 is an equidigital number, since it uses as much as digits as its factorization.

11002221977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 32.

Adding to 11002221977 its reverse (77912220011), we get a palindrome (88914441988).

The spelling of 11002221977 in words is "eleven billion, two million, two hundred twenty-one thousand, nine hundred seventy-seven".