1100222001691 has 2 divisors, whose sum is σ = 1100222001692. Its totient is φ = 1100222001690.

The previous prime is 1100222001667. The next prime is 1100222001719. The reversal of 1100222001691 is 1961002220011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100222001691 - 2¹⁷ = 1100221870619 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100222001191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550111000845 + 550111000846.

It is an arithmetic number, because the mean of its divisors is an integer number (550111000846).

Almost surely, 2^{1100222001691} is an apocalyptic number.

1100222001691 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100222001691 is an equidigital number, since it uses as much as digits as its factorization.

1100222001691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 25.

The spelling of 1100222001691 in words is "one trillion, one hundred billion, two hundred twenty-two million, one thousand, six hundred ninety-one".