11321100001 has 2 divisors, whose sum is σ = 11321100002. Its totient is φ = 11321100000.

The previous prime is 11321099981. The next prime is 11321100029. The reversal of 11321100001 is 10000112311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11114430625 + 206669376 = 105425^2 + 14376^2 .

It is a cyclic number.

It is not a de Polignac number, because 11321100001 - 2¹⁹ = 11320575713 is a prime.

It is not a weakly prime, because it can be changed into another prime (11321110001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660550000 + 5660550001.

It is an arithmetic number, because the mean of its divisors is an integer number (5660550001).

Almost surely, 2^11321100001 is an apocalyptic number.

It is an amenable number.

11321100001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321100001 is an equidigital number, since it uses as much as digits as its factorization.

11321100001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 11321100001 its reverse (10000112311), we get a palindrome (21321212312).

The spelling of 11321100001 in words is "eleven billion, three hundred twenty-one million, one hundred thousand, one".