11022222111001 has 2 divisors, whose sum is σ = 11022222111002. Its totient is φ = 11022222111000.

The previous prime is 11022222110987. The next prime is 11022222111011. The reversal of 11022222111001 is 10011122222011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10185985019401 + 836237091600 = 3191549^2 + 914460^2 .

It is an emirp because it is prime and its reverse (10011122222011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11022222111001 - 2¹⁵ = 11022222078233 is a prime.

It is not a weakly prime, because it can be changed into another prime (11022222111011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5511111055500 + 5511111055501.

It is an arithmetic number, because the mean of its divisors is an integer number (5511111055501).

Almost surely, 2^{11022222111001} is an apocalyptic number.

It is an amenable number.

11022222111001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11022222111001 is an equidigital number, since it uses as much as digits as its factorization.

11022222111001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11022222111001 its reverse (10011122222011), we get a palindrome (21033344333012).

The spelling of 11022222111001 in words is "eleven trillion, twenty-two billion, two hundred twenty-two million, one hundred eleven thousand, one".