39112221110197 has 2 divisors, whose sum is σ = 39112221110198. Its totient is φ = 39112221110196.

The previous prime is 39112221110189. The next prime is 39112221110239. The reversal of 39112221110197 is 79101112221193.

39112221110197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20386254432996 + 18725966677201 = 4515114^2 + 4327351^2 .

It is a cyclic number.

It is not a de Polignac number, because 39112221110197 - 2³ = 39112221110189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39112221110167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19556110555098 + 19556110555099.

It is an arithmetic number, because the mean of its divisors is an integer number (19556110555099).

Almost surely, 2^{39112221110197} is an apocalyptic number.

It is an amenable number.

39112221110197 is a deficient number, since it is larger than the sum of its proper divisors (1).

39112221110197 is an equidigital number, since it uses as much as digits as its factorization.

39112221110197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 40.

The spelling of 39112221110197 in words is "thirty-nine trillion, one hundred twelve billion, two hundred twenty-one million, one hundred ten thousand, one hundred ninety-seven".