122020101109 has 2 divisors, whose sum is σ = 122020101110. Its totient is φ = 122020101108.

The previous prime is 122020101041. The next prime is 122020101131. The reversal of 122020101109 is 901101020221.

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., 117681244209 + 4338856900 = 343047^2 + 65870^2 .

It is a cyclic number.

It is not a de Polignac number, because 122020101109 - 2²⁷ = 121885883381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122020101199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61010050554 + 61010050555.

It is an arithmetic number, because the mean of its divisors is an integer number (61010050555).

Almost surely, 2^122020101109 is an apocalyptic number.

It is an amenable number.

122020101109 is a deficient number, since it is larger than the sum of its proper divisors (1).

122020101109 is an equidigital number, since it uses as much as digits as its factorization.

122020101109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 122020101109 in words is "one hundred twenty-two billion, twenty million, one hundred one thousand, one hundred nine".