1002000111197 has 2 divisors, whose sum is σ = 1002000111198. Its totient is φ = 1002000111196.

The previous prime is 1002000111179. The next prime is 1002000111209. The reversal of 1002000111197 is 7911110002001.

It is a happy number.

Together with previous prime (1002000111179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 953876475556 + 48123635641 = 976666^2 + 219371^2 .

It is a cyclic number.

It is not a de Polignac number, because 1002000111197 - 2²² = 1001995916893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002000111097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501000055598 + 501000055599.

It is an arithmetic number, because the mean of its divisors is an integer number (501000055599).

Almost surely, 2^{1002000111197} is an apocalyptic number.

It is an amenable number.

1002000111197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002000111197 is an equidigital number, since it uses as much as digits as its factorization.

1002000111197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 23.

Adding to 1002000111197 its reverse (7911110002001), we get a palindrome (8913110113198).

The spelling of 1002000111197 in words is "one trillion, two billion, one hundred eleven thousand, one hundred ninety-seven".