1100222001191 has 2 divisors, whose sum is σ = 1100222001192. Its totient is φ = 1100222001190.

The previous prime is 1100222001187. The next prime is 1100222001217. The reversal of 1100222001191 is 1911002220011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100222001191 - 2² = 1100222001187 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100222001691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550111000595 + 550111000596.

It is an arithmetic number, because the mean of its divisors is an integer number (550111000596).

Almost surely, 2^{1100222001191} is an apocalyptic number.

1100222001191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100222001191 is an equidigital number, since it uses as much as digits as its factorization.

1100222001191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

It can be divided in two parts, 11002220011 and 91, that multiplied together give a palindrome (1001202021001).

The spelling of 1100222001191 in words is "one trillion, one hundred billion, two hundred twenty-two million, one thousand, one hundred ninety-one".