11012210208 has 36 divisors (see below), whose sum is σ = 31315973598. Its totient is φ = 3670736640.

The previous prime is 11012210201. The next prime is 11012210221. The reversal of 11012210208 is 80201221011.

It can be written as a sum of positive squares in only one way, i.e., 9167679504 + 1844530704 = 95748^2 + 42948^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11012210201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19118133 + ... + 19118708.

Almost surely, 2^11012210208 is an apocalyptic number.

11012210208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11012210208 is an abundant number, since it is smaller than the sum of its proper divisors (20303763390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11012210208 is a wasteful number, since it uses less digits than its factorization.

11012210208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38236857 (or 38236846 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11012210208 its reverse (80201221011), we get a palindrome (91213431219).

The spelling of 11012210208 in words is "eleven billion, twelve million, two hundred ten thousand, two hundred eight".