11000122221001 has 2 divisors, whose sum is σ = 11000122221002. Its totient is φ = 11000122221000.

The previous prime is 11000122220987. The next prime is 11000122221013. The reversal of 11000122221001 is 10012222100011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9996220422400 + 1003901798601 = 3161680^2 + 1001949^2 .

It is a cyclic number.

It is not a de Polignac number, because 11000122221001 - 2⁹ = 11000122220489 is a prime.

It is not a weakly prime, because it can be changed into another prime (11000122221401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500061110500 + 5500061110501.

It is an arithmetic number, because the mean of its divisors is an integer number (5500061110501).

Almost surely, 2^{11000122221001} is an apocalyptic number.

It is an amenable number.

11000122221001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000122221001 is an equidigital number, since it uses as much as digits as its factorization.

11000122221001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11000122221001 its reverse (10012222100011), we get a palindrome (21012344321012).

The spelling of 11000122221001 in words is "eleven trillion, one hundred twenty-two million, two hundred twenty-one thousand, one".