10110212091809 has 2 divisors, whose sum is σ = 10110212091810. Its totient is φ = 10110212091808.

The previous prime is 10110212091781. The next prime is 10110212091817. The reversal of 10110212091809 is 90819021201101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9676280291584 + 433931800225 = 3110672^2 + 658735^2 .

It is a cyclic number.

It is not a de Polignac number, because 10110212091809 - 2¹² = 10110212087713 is a prime.

It is not a weakly prime, because it can be changed into another prime (10110212091509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055106045904 + 5055106045905.

It is an arithmetic number, because the mean of its divisors is an integer number (5055106045905).

Almost surely, 2^{10110212091809} is an apocalyptic number.

It is an amenable number.

10110212091809 is a deficient number, since it is larger than the sum of its proper divisors (1).

10110212091809 is an equidigital number, since it uses as much as digits as its factorization.

10110212091809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 35.

The spelling of 10110212091809 in words is "ten trillion, one hundred ten billion, two hundred twelve million, ninety-one thousand, eight hundred nine".