11001002122122 has 64 divisors (see below), whose sum is σ = 22553270847360. Its totient is φ = 3575426851584.

The previous prime is 11001002122037. The next prime is 11001002122157. The reversal of 11001002122122 is 22122120010011.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 550122628 + ... + 550142624.

It is an arithmetic number, because the mean of its divisors is an integer number (352394856990).

Almost surely, 2^{11001002122122} is an apocalyptic number.

11001002122122 is an abundant number, since it is smaller than the sum of its proper divisors (11552268725238).

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

11001002122122 is a wasteful number, since it uses less digits than its factorization.

11001002122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23687.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11001002122122 its reverse (22122120010011), we get a palindrome (33123122132133).

The spelling of 11001002122122 in words is "eleven trillion, one billion, two million, one hundred twenty-two thousand, one hundred twenty-two".