701600122721 has 2 divisors, whose sum is σ = 701600122722. Its totient is φ = 701600122720.

The previous prime is 701600122711. The next prime is 701600122733. The reversal of 701600122721 is 127221006107.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 506501232721 + 195098890000 = 711689^2 + 441700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-701600122721 is a prime.

It is not a weakly prime, because it can be changed into another prime (701600122711) 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, 350800061360 + 350800061361.

It is an arithmetic number, because the mean of its divisors is an integer number (350800061361).

Almost surely, 2^701600122721 is an apocalyptic number.

It is an amenable number.

701600122721 is a deficient number, since it is larger than the sum of its proper divisors (1).

701600122721 is an equidigital number, since it uses as much as digits as its factorization.

701600122721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 29.

Adding to 701600122721 its reverse (127221006107), we get a palindrome (828821128828).

The spelling of 701600122721 in words is "seven hundred one billion, six hundred million, one hundred twenty-two thousand, seven hundred twenty-one".