1210130100191 has 2 divisors, whose sum is σ = 1210130100192. Its totient is φ = 1210130100190.

The previous prime is 1210130100173. The next prime is 1210130100211. The reversal of 1210130100191 is 1910010310121.

It is a happy number.

It is an a-pointer prime, because the next prime (1210130100211) can be obtained adding 1210130100191 to its sum of digits (20).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1210130100191 - 2¹⁴ = 1210130083807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210130106191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605065050095 + 605065050096.

It is an arithmetic number, because the mean of its divisors is an integer number (605065050096).

Almost surely, 2^{1210130100191} is an apocalyptic number.

1210130100191 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210130100191 is an equidigital number, since it uses as much as digits as its factorization.

1210130100191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 20.

The spelling of 1210130100191 in words is "one trillion, two hundred ten billion, one hundred thirty million, one hundred thousand, one hundred ninety-one".