120020222117 has 2 divisors, whose sum is σ = 120020222118. Its totient is φ = 120020222116.

The previous prime is 120020222099. The next prime is 120020222137. The reversal of 120020222117 is 711222020021.

It is an a-pointer prime, because the next prime (120020222137) can be obtained adding 120020222117 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87948426721 + 32071795396 = 296561^2 + 179086^2 .

It is a cyclic number.

It is not a de Polignac number, because 120020222117 - 2⁶ = 120020222053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120020222137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60010111058 + 60010111059.

It is an arithmetic number, because the mean of its divisors is an integer number (60010111059).

Almost surely, 2^120020222117 is an apocalyptic number.

It is an amenable number.

120020222117 is a deficient number, since it is larger than the sum of its proper divisors (1).

120020222117 is an equidigital number, since it uses as much as digits as its factorization.

120020222117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 120020222117 its reverse (711222020021), we get a palindrome (831242242138).

The spelling of 120020222117 in words is "one hundred twenty billion, twenty million, two hundred twenty-two thousand, one hundred seventeen".