100212122110873 has 2 divisors, whose sum is σ = 100212122110874. Its totient is φ = 100212122110872.

The previous prime is 100212122110861. The next prime is 100212122111053. The reversal of 100212122110873 is 378011221212001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94991591727769 + 5220530383104 = 9746363^2 + 2284848^2 .

It is a cyclic number.

It is not a de Polignac number, because 100212122110873 - 2³³ = 100203532176281 is a prime.

It is not a weakly prime, because it can be changed into another prime (100212122119873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50106061055436 + 50106061055437.

It is an arithmetic number, because the mean of its divisors is an integer number (50106061055437).

Almost surely, 2^{100212122110873} is an apocalyptic number.

It is an amenable number.

100212122110873 is a deficient number, since it is larger than the sum of its proper divisors (1).

100212122110873 is an equidigital number, since it uses as much as digits as its factorization.

100212122110873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 31.

Adding to 100212122110873 its reverse (378011221212001), we get a palindrome (478223343322874).

The spelling of 100212122110873 in words is "one hundred trillion, two hundred twelve billion, one hundred twenty-two million, one hundred ten thousand, eight hundred seventy-three".