2122222210109 has 2 divisors, whose sum is σ = 2122222210110. Its totient is φ = 2122222210108.

The previous prime is 2122222210091. The next prime is 2122222210111. The reversal of 2122222210109 is 9010122222212.

Together with previous prime (2122222210091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2087996100100 + 34226110009 = 1444990^2 + 185003^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2122222210109 is a prime.

Together with 2122222210111, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2125222210109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061111105054 + 1061111105055.

It is an arithmetic number, because the mean of its divisors is an integer number (1061111105055).

Almost surely, 2^{2122222210109} is an apocalyptic number.

It is an amenable number.

2122222210109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122222210109 is an equidigital number, since it uses as much as digits as its factorization.

2122222210109 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 26.

The spelling of 2122222210109 in words is "two trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred ten thousand, one hundred nine".