1000222001191 has 8 divisors (see below), whose sum is σ = 1145750840864. Its totient is φ = 855353157120.

The previous prime is 1000222001171. The next prime is 1000222001197. The reversal of 1000222001191 is 1911002220001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1000222001191 - 2⁷ = 1000222001063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000222001197) 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 in 7 ways as a sum of consecutive naturals, for example, 164995650 + ... + 165001711.

It is an arithmetic number, because the mean of its divisors is an integer number (143218855108).

Almost surely, 2^{1000222001191} is an apocalyptic number.

1000222001191 is a deficient number, since it is larger than the sum of its proper divisors (145528839673).

1000222001191 is an equidigital number, since it uses as much as digits as its factorization.

1000222001191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329997801.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1000222001191 its reverse (1911002220001), we get a palindrome (2911224221192).

The spelling of 1000222001191 in words is "one trillion, two hundred twenty-two million, one thousand, one hundred ninety-one".