1002222000191 has 2 divisors, whose sum is σ = 1002222000192. Its totient is φ = 1002222000190.

The previous prime is 1002222000167. The next prime is 1002222000203. The reversal of 1002222000191 is 1910002222001.

It is a happy number.

1002222000191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002222000191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002222000691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501111000095 + 501111000096.

It is an arithmetic number, because the mean of its divisors is an integer number (501111000096).

Almost surely, 2^{1002222000191} is an apocalyptic number.

1002222000191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002222000191 is an equidigital number, since it uses as much as digits as its factorization.

1002222000191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1002222000191 its reverse (1910002222001), we get a palindrome (2912224222192).

The spelling of 1002222000191 in words is "one trillion, two billion, two hundred twenty-two million, one hundred ninety-one", and thus it is an aban number.