11001002332221 has 32 divisors (see below), whose sum is σ = 18552415011840. Its totient is φ = 6377392652400.

The previous prime is 11001002332219. The next prime is 11001002332247. The reversal of 11001002332221 is 12223320010011.

11001002332221 is a `hidden beast` number, since 1 + 10 + 0 + 100 + 2 + 332 + 221 = 666.

It is not a de Polignac number, because 11001002332221 - 2¹ = 11001002332219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11001002332194 and 11001002332203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001002322221) 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 31 ways as a sum of consecutive naturals, for example, 805219515 + ... + 805233176.

It is an arithmetic number, because the mean of its divisors is an integer number (579762969120).

Almost surely, 2^{11001002332221} is an apocalyptic number.

11001002332221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11001002332221 is a deficient number, since it is larger than the sum of its proper divisors (7551412679619).

11001002332221 is a wasteful number, since it uses less digits than its factorization.

11001002332221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610452734 (or 1610452728 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11001002332221 its reverse (12223320010011), we get a palindrome (23224322342232).

The spelling of 11001002332221 in words is "eleven trillion, one billion, two million, three hundred thirty-two thousand, two hundred twenty-one".