212220108103859 has 2 divisors, whose sum is σ = 212220108103860. Its totient is φ = 212220108103858.

The previous prime is 212220108103781. The next prime is 212220108103867. The reversal of 212220108103859 is 958301801022212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212220108103859 - 2¹² = 212220108099763 is a prime.

It is a super-2 number, since 2×212220108103859² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (212220108103459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106110054051929 + 106110054051930.

It is an arithmetic number, because the mean of its divisors is an integer number (106110054051930).

Almost surely, 2^{212220108103859} is an apocalyptic number.

212220108103859 is a deficient number, since it is larger than the sum of its proper divisors (1).

212220108103859 is an equidigital number, since it uses as much as digits as its factorization.

212220108103859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 44.

The spelling of 212220108103859 in words is "two hundred twelve trillion, two hundred twenty billion, one hundred eight million, one hundred three thousand, eight hundred fifty-nine".