120222121859857 has 2 divisors, whose sum is σ = 120222121859858. Its totient is φ = 120222121859856.

The previous prime is 120222121859837. The next prime is 120222121859867. The reversal of 120222121859857 is 758958121222021.

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., 116860769966656 + 3361351893201 = 10810216^2 + 1833399^2 .

It is a cyclic number.

It is not a de Polignac number, because 120222121859857 - 2⁷ = 120222121859729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120222121859798 and 120222121859807.

It is not a weakly prime, because it can be changed into another prime (120222121859837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60111060929928 + 60111060929929.

It is an arithmetic number, because the mean of its divisors is an integer number (60111060929929).

Almost surely, 2^{120222121859857} is an apocalyptic number.

It is an amenable number.

120222121859857 is a deficient number, since it is larger than the sum of its proper divisors (1).

120222121859857 is an equidigital number, since it uses as much as digits as its factorization.

120222121859857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3225600, while the sum is 55.

The spelling of 120222121859857 in words is "one hundred twenty trillion, two hundred twenty-two billion, one hundred twenty-one million, eight hundred fifty-nine thousand, eight hundred fifty-seven".