11103221939 has 2 divisors, whose sum is σ = 11103221940. Its totient is φ = 11103221938.

The previous prime is 11103221893. The next prime is 11103221947. The reversal of 11103221939 is 93912230111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11103221939 - 2¹² = 11103217843 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (11103221989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551610969 + 5551610970.

It is an arithmetic number, because the mean of its divisors is an integer number (5551610970).

Almost surely, 2^11103221939 is an apocalyptic number.

11103221939 is a deficient number, since it is larger than the sum of its proper divisors (1).

11103221939 is an equidigital number, since it uses as much as digits as its factorization.

11103221939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 32.

The spelling of 11103221939 in words is "eleven billion, one hundred three million, two hundred twenty-one thousand, nine hundred thirty-nine".