11099129971 has 2 divisors, whose sum is σ = 11099129972. Its totient is φ = 11099129970.

The previous prime is 11099129959. The next prime is 11099129999. The reversal of 11099129971 is 17992199011.

11099129971 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 (17992199011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11099129971 - 2¹⁵ = 11099097203 is a prime.

It is a super-2 number, since 2×11099129971² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11099829971) 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, 5549564985 + 5549564986.

It is an arithmetic number, because the mean of its divisors is an integer number (5549564986).

Almost surely, 2^11099129971 is an apocalyptic number.

11099129971 is a deficient number, since it is larger than the sum of its proper divisors (1).

11099129971 is an equidigital number, since it uses as much as digits as its factorization.

11099129971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91854, while the sum is 49.

The spelling of 11099129971 in words is "eleven billion, ninety-nine million, one hundred twenty-nine thousand, nine hundred seventy-one".