11001022001 has 8 divisors (see below), whose sum is σ = 11108957544. Its totient is φ = 10893272320.

The previous prime is 11001021991. The next prime is 11001022007. The reversal of 11001022001 is 10022010011.

11001022001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1890510400 + 9110511601 = 43480^2 + 95449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11001022001 - 2⁶ = 11001021937 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11001022001.

It is not an unprimeable number, because it can be changed into a prime (11001022007) 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 in 7 ways as a sum of consecutive naturals, for example, 74015 + ... + 165771.

It is an arithmetic number, because the mean of its divisors is an integer number (1388619693).

Almost surely, 2^11001022001 is an apocalyptic number.

It is an amenable number.

11001022001 is a deficient number, since it is larger than the sum of its proper divisors (107935543).

11001022001 is a wasteful number, since it uses less digits than its factorization.

11001022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92931.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 11001022001 its reverse (10022010011), we get a palindrome (21023032012).

The spelling of 11001022001 in words is "eleven billion, one million, twenty-two thousand, one".