10221404189 has 2 divisors, whose sum is σ = 10221404190. Its totient is φ = 10221404188.

The previous prime is 10221404161. The next prime is 10221404213. The reversal of 10221404189 is 98140412201.

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., 9378372964 + 843031225 = 96842^2 + 29035^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10221404189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10221404129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110702094 + 5110702095.

It is an arithmetic number, because the mean of its divisors is an integer number (5110702095).

Almost surely, 2^10221404189 is an apocalyptic number.

It is an amenable number.

10221404189 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221404189 is an equidigital number, since it uses as much as digits as its factorization.

10221404189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 32.

The spelling of 10221404189 in words is "ten billion, two hundred twenty-one million, four hundred four thousand, one hundred eighty-nine".