11021323100985 has 48 divisors (see below), whose sum is σ = 19417687969680. Its totient is φ = 5781413560320.

The previous prime is 11021323100927. The next prime is 11021323100993. The reversal of 11021323100985 is 58900132312011.

It can be written as a sum of positive squares in 8 ways, for example, as 3075824962809 + 7945498138176 = 1753803^2 + 2818776^2 .

It is not a de Polignac number, because 11021323100985 - 2¹⁰ = 11021323099961 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 69668697 + ... + 69826713.

It is an arithmetic number, because the mean of its divisors is an integer number (404535166035).

Almost surely, 2^{11021323100985} is an apocalyptic number.

11021323100985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11021323100985 is a deficient number, since it is larger than the sum of its proper divisors (8396364868695).

11021323100985 is a wasteful number, since it uses less digits than its factorization.

11021323100985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183498 (or 183495 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

Adding to 11021323100985 its reverse (58900132312011), we get a palindrome (69921455412996).

The spelling of 11021323100985 in words is "eleven trillion, twenty-one billion, three hundred twenty-three million, one hundred thousand, nine hundred eighty-five".