112104712078721 has 2 divisors, whose sum is σ = 112104712078722. Its totient is φ = 112104712078720.

The previous prime is 112104712078691. The next prime is 112104712078727. The reversal of 112104712078721 is 127870217401211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71878179610000 + 40226532468721 = 8478100^2 + 6342439^2 .

It is a cyclic number.

It is not a de Polignac number, because 112104712078721 - 2⁶ = 112104712078657 is a prime.

It is not a weakly prime, because it can be changed into another prime (112104712078727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56052356039360 + 56052356039361.

It is an arithmetic number, because the mean of its divisors is an integer number (56052356039361).

Almost surely, 2^{112104712078721} is an apocalyptic number.

It is an amenable number.

112104712078721 is a deficient number, since it is larger than the sum of its proper divisors (1).

112104712078721 is an equidigital number, since it uses as much as digits as its factorization.

112104712078721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 87808, while the sum is 44.

Adding to 112104712078721 its reverse (127870217401211), we get a palindrome (239974929479932).

The spelling of 112104712078721 in words is "one hundred twelve trillion, one hundred four billion, seven hundred twelve million, seventy-eight thousand, seven hundred twenty-one".