222102120120109 has 2 divisors, whose sum is σ = 222102120120110. Its totient is φ = 222102120120108.

The previous prime is 222102120120107. The next prime is 222102120120131. The reversal of 222102120120109 is 901021021201222.

It is a happy number.

222102120120109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113732562715209 + 108369557404900 = 10664547^2 + 10410070^2 .

It is a cyclic number.

It is not a de Polignac number, because 222102120120109 - 2¹ = 222102120120107 is a prime.

Together with 222102120120107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222102120120107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111051060060054 + 111051060060055.

It is an arithmetic number, because the mean of its divisors is an integer number (111051060060055).

Almost surely, 2^{222102120120109} is an apocalyptic number.

It is an amenable number.

222102120120109 is a deficient number, since it is larger than the sum of its proper divisors (1).

222102120120109 is an equidigital number, since it uses as much as digits as its factorization.

222102120120109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 222102120120109 in words is "two hundred twenty-two trillion, one hundred two billion, one hundred twenty million, one hundred twenty thousand, one hundred nine".