11006221001 has 4 divisors (see below), whose sum is σ = 11036211072. Its totient is φ = 10976230932.

The previous prime is 11006220977. The next prime is 11006221003. The reversal of 11006221001 is 10012260011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11006221001 - 2¹⁸ = 11005958857 is a prime.

It is a super-2 number, since 2×11006221001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11006221003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14994485 + ... + 14995218.

It is an arithmetic number, because the mean of its divisors is an integer number (2759052768).

Almost surely, 2^11006221001 is an apocalyptic number.

It is an amenable number.

11006221001 is a deficient number, since it is larger than the sum of its proper divisors (29990071).

11006221001 is an equidigital number, since it uses as much as digits as its factorization.

11006221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29990070.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11006221001 its reverse (10012260011), we get a palindrome (21018481012).

The spelling of 11006221001 in words is "eleven billion, six million, two hundred twenty-one thousand, one".