101911341468221 has 2 divisors, whose sum is σ = 101911341468222. Its totient is φ = 101911341468220.

The previous prime is 101911341468179. The next prime is 101911341468283. The reversal of 101911341468221 is 122864143119101.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86135661664900 + 15775679803321 = 9280930^2 + 3971861^2 .

It is a cyclic number.

It is not a de Polignac number, because 101911341468221 - 2²⁶ = 101911274359357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101911341458221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50955670734110 + 50955670734111.

It is an arithmetic number, because the mean of its divisors is an integer number (50955670734111).

Almost surely, 2^{101911341468221} is an apocalyptic number.

It is an amenable number.

101911341468221 is a deficient number, since it is larger than the sum of its proper divisors (1).

101911341468221 is an equidigital number, since it uses as much as digits as its factorization.

101911341468221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 44.

The spelling of 101911341468221 in words is "one hundred one trillion, nine hundred eleven billion, three hundred forty-one million, four hundred sixty-eight thousand, two hundred twenty-one".