100221110221189 has 2 divisors, whose sum is σ = 100221110221190. Its totient is φ = 100221110221188.

The previous prime is 100221110221187. The next prime is 100221110221207. The reversal of 100221110221189 is 981122011122001.

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., 59358549802500 + 40862560418689 = 7704450^2 + 6392383^2 .

It is a cyclic number.

It is not a de Polignac number, because 100221110221189 - 2¹ = 100221110221187 is a prime.

Together with 100221110221187, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 100221110221189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100221110221187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50110555110594 + 50110555110595.

It is an arithmetic number, because the mean of its divisors is an integer number (50110555110595).

Almost surely, 2^{100221110221189} is an apocalyptic number.

It is an amenable number.

100221110221189 is a deficient number, since it is larger than the sum of its proper divisors (1).

100221110221189 is an equidigital number, since it uses as much as digits as its factorization.

100221110221189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 31.

The spelling of 100221110221189 in words is "one hundred trillion, two hundred twenty-one billion, one hundred ten million, two hundred twenty-one thousand, one hundred eighty-nine".