11000022222001 has 2 divisors, whose sum is σ = 11000022222002. Its totient is φ = 11000022222000.

The previous prime is 11000022221999. The next prime is 11000022222023. The reversal of 11000022222001 is 10022222000011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10977287613601 + 22734608400 = 3313199^2 + 150780^2 .

It is a cyclic number.

It is not a de Polignac number, because 11000022222001 - 2¹ = 11000022221999 is a prime.

Together with 11000022221999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11000022222031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500011111000 + 5500011111001.

It is an arithmetic number, because the mean of its divisors is an integer number (5500011111001).

Almost surely, 2^{11000022222001} is an apocalyptic number.

It is an amenable number.

11000022222001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000022222001 is an equidigital number, since it uses as much as digits as its factorization.

11000022222001 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 13.

Adding to 11000022222001 its reverse (10022222000011), we get a palindrome (21022244222012).

The spelling of 11000022222001 in words is "eleven trillion, twenty-two million, two hundred twenty-two thousand, one".