122020221100109 has 2 divisors, whose sum is σ = 122020221100110. Its totient is φ = 122020221100108.

The previous prime is 122020221100013. The next prime is 122020221100111. The reversal of 122020221100109 is 901001122020221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 113749690622500 + 8270530477609 = 10665350^2 + 2875853^2 .

It is a cyclic number.

It is not a de Polignac number, because 122020221100109 - 2⁸ = 122020221099853 is a prime.

Together with 122020221100111, 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 (122020221108109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61010110550054 + 61010110550055.

It is an arithmetic number, because the mean of its divisors is an integer number (61010110550055).

Almost surely, 2^{122020221100109} is an apocalyptic number.

It is an amenable number.

122020221100109 is a deficient number, since it is larger than the sum of its proper divisors (1).

122020221100109 is an equidigital number, since it uses as much as digits as its factorization.

122020221100109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 122020221100109 in words is "one hundred twenty-two trillion, twenty billion, two hundred twenty-one million, one hundred thousand, one hundred nine".