11001002222001 has 16 divisors (see below), whose sum is σ = 16107427703808. Its totient is φ = 6623119938000.

The previous prime is 11001002221969. The next prime is 11001002222027. The reversal of 11001002222001 is 10022220010011.

It is not a de Polignac number, because 11001002222001 - 2⁵ = 11001002221969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11001002222071) 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, 1103848341 + ... + 1103858306.

It is an arithmetic number, because the mean of its divisors is an integer number (1006714231488).

Almost surely, 2^{11001002222001} is an apocalyptic number.

11001002222001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11001002222001 is a deficient number, since it is larger than the sum of its proper divisors (5106425481807).

11001002222001 is a wasteful number, since it uses less digits than its factorization.

11001002222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207706812.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11001002222001 its reverse (10022220010011), we get a palindrome (21023222232012).

The spelling of 11001002222001 in words is "eleven trillion, one billion, two million, two hundred twenty-two thousand, one".