1020100002197 has 2 divisors, whose sum is σ = 1020100002198. Its totient is φ = 1020100002196.

The previous prime is 1020100002193. The next prime is 1020100002199. The reversal of 1020100002197 is 7912000010201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1011470706961 + 8629295236 = 1005719^2 + 92894^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020100002197 - 2² = 1020100002193 is a prime.

Together with 1020100002199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1020100002193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510050001098 + 510050001099.

It is an arithmetic number, because the mean of its divisors is an integer number (510050001099).

Almost surely, 2^{1020100002197} is an apocalyptic number.

It is an amenable number.

1020100002197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020100002197 is an equidigital number, since it uses as much as digits as its factorization.

1020100002197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 23.

Adding to 1020100002197 its reverse (7912000010201), we get a palindrome (8932100012398).

The spelling of 1020100002197 in words is "one trillion, twenty billion, one hundred million, two thousand, one hundred ninety-seven".