100221111169 has 2 divisors, whose sum is σ = 100221111170. Its totient is φ = 100221111168.

The previous prime is 100221111163. The next prime is 100221111203. The reversal of 100221111169 is 961111122001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73940486400 + 26280624769 = 271920^2 + 162113^2 .

It is a cyclic number.

It is not a de Polignac number, because 100221111169 - 2⁹ = 100221110657 is a prime.

It is a super-3 number, since 3×100221111169³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (100221111163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110555584 + 50110555585.

It is an arithmetic number, because the mean of its divisors is an integer number (50110555585).

Almost surely, 2^100221111169 is an apocalyptic number.

It is an amenable number.

100221111169 is a deficient number, since it is larger than the sum of its proper divisors (1).

100221111169 is an equidigital number, since it uses as much as digits as its factorization.

100221111169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 25.

The spelling of 100221111169 in words is "one hundred billion, two hundred twenty-one million, one hundred eleven thousand, one hundred sixty-nine".