1010020010191 has 2 divisors, whose sum is σ = 1010020010192. Its totient is φ = 1010020010190.

The previous prime is 1010020010173. The next prime is 1010020010257. The reversal of 1010020010191 is 1910100200101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1010020010191 - 2⁹ = 1010020009679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010020011191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505010005095 + 505010005096.

It is an arithmetic number, because the mean of its divisors is an integer number (505010005096).

Almost surely, 2^{1010020010191} is an apocalyptic number.

1010020010191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010020010191 is an equidigital number, since it uses as much as digits as its factorization.

1010020010191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 1010020010191 its reverse (1910100200101), we get a palindrome (2920120210292).

The spelling of 1010020010191 in words is "one trillion, ten billion, twenty million, ten thousand, one hundred ninety-one".