102210221011109 has 2 divisors, whose sum is σ = 102210221011110. Its totient is φ = 102210221011108.

The previous prime is 102210221011081. The next prime is 102210221011121. The reversal of 102210221011109 is 901110122012201.

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., 101964555062500 + 245665948609 = 10097750^2 + 495647^2 .

It is a cyclic number.

It is not a de Polignac number, because 102210221011109 - 2⁸ = 102210221010853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102210221011309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51105110505554 + 51105110505555.

It is an arithmetic number, because the mean of its divisors is an integer number (51105110505555).

Almost surely, 2^{102210221011109} is an apocalyptic number.

It is an amenable number.

102210221011109 is a deficient number, since it is larger than the sum of its proper divisors (1).

102210221011109 is an equidigital number, since it uses as much as digits as its factorization.

102210221011109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 102210221011109 in words is "one hundred two trillion, two hundred ten billion, two hundred twenty-one million, eleven thousand, one hundred nine".