11221033001 has 12 divisors (see below), whose sum is σ = 11566574292. Its totient is φ = 10884857088.

The previous prime is 11221032997. The next prime is 11221033097. The reversal of 11221033001 is 10033012211.

It can be written as a sum of positive squares in 2 ways, for example, as 6197625625 + 5023407376 = 78725^2 + 70876^2 .

It is not a de Polignac number, because 11221033001 - 2² = 11221032997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11221032001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 227141 + ... + 272093.

It is an arithmetic number, because the mean of its divisors is an integer number (963881191).

Almost surely, 2^11221033001 is an apocalyptic number.

It is an amenable number.

11221033001 is a deficient number, since it is larger than the sum of its proper divisors (345541291).

11221033001 is an equidigital number, since it uses as much as digits as its factorization.

11221033001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45160 (or 45113 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 11221033001 its reverse (10033012211), we get a palindrome (21254045212).

The spelling of 11221033001 in words is "eleven billion, two hundred twenty-one million, thirty-three thousand, one".