11103222001 has 4 divisors (see below), whose sum is σ = 11159583732. Its totient is φ = 11046860272.

The previous prime is 11103221993. The next prime is 11103222007. The reversal of 11103222001 is 10022230111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6189912976 + 4913309025 = 78676^2 + 70095^2 .

It is a cyclic number.

It is not a de Polignac number, because 11103222001 - 2³ = 11103221993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11103222007) 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 3 ways as a sum of consecutive naturals, for example, 28180570 + ... + 28180963.

It is an arithmetic number, because the mean of its divisors is an integer number (2789895933).

Almost surely, 2^11103222001 is an apocalyptic number.

It is an amenable number.

11103222001 is a deficient number, since it is larger than the sum of its proper divisors (56361731).

11103222001 is an equidigital number, since it uses as much as digits as its factorization.

11103222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56361730.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11103222001 its reverse (10022230111), we get a palindrome (21125452112).

The spelling of 11103222001 in words is "eleven billion, one hundred three million, two hundred twenty-two thousand, one".