11012220001 has 8 divisors (see below), whose sum is σ = 11151901800. Its totient is φ = 10872892800.

The previous prime is 11012219963. The next prime is 11012220041. The reversal of 11012220001 is 10002221011.

It can be written as a sum of positive squares in 4 ways, for example, as 107848225 + 10904371776 = 10385^2 + 104424^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11012220001 - 2¹⁵ = 11012187233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11012220001.

It is not an unprimeable number, because it can be changed into a prime (11012220041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25866 + ... + 150643.

It is an arithmetic number, because the mean of its divisors is an integer number (1393987725).

Almost surely, 2^11012220001 is an apocalyptic number.

It is an amenable number.

11012220001 is a deficient number, since it is larger than the sum of its proper divisors (139681799).

11012220001 is an equidigital number, since it uses as much as digits as its factorization.

11012220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177299.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11012220001 its reverse (10002221011), we get a palindrome (21014441012).

The spelling of 11012220001 in words is "eleven billion, twelve million, two hundred twenty thousand, one".