11001102221001 has 16 divisors (see below), whose sum is σ = 14692562184960. Its totient is φ = 7321857607680.

The previous prime is 11001102220993. The next prime is 11001102221051. The reversal of 11001102221001 is 10012220110011.

It is not a de Polignac number, because 11001102221001 - 2³ = 11001102220993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11001102221051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18317191 + ... + 18908243.

It is an arithmetic number, because the mean of its divisors is an integer number (918285136560).

Almost surely, 2^{11001102221001} is an apocalyptic number.

It is an amenable number.

11001102221001 is a deficient number, since it is larger than the sum of its proper divisors (3691459963959).

11001102221001 is an equidigital number, since it uses as much as digits as its factorization.

11001102221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601376.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11001102221001 its reverse (10012220110011), we get a palindrome (21013322331012).

The spelling of 11001102221001 in words is "eleven trillion, one billion, one hundred two million, two hundred twenty-one thousand, one".