10222221109 has 2 divisors, whose sum is σ = 10222221110. Its totient is φ = 10222221108.

The previous prime is 10222221067. The next prime is 10222221137. The reversal of 10222221109 is 90112222201.

10222221109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10220199025 + 2022084 = 101095^2 + 1422^2 .

It is a cyclic number.

It is not a de Polignac number, because 10222221109 - 2²¹ = 10220123957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10222221109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10222221169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5111110554 + 5111110555.

It is an arithmetic number, because the mean of its divisors is an integer number (5111110555).

Almost surely, 2^10222221109 is an apocalyptic number.

It is an amenable number.

10222221109 is a deficient number, since it is larger than the sum of its proper divisors (1).

10222221109 is an equidigital number, since it uses as much as digits as its factorization.

10222221109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 10222221109 in words is "ten billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred nine".