122100716617 has 4 divisors (see below), whose sum is σ = 133200781776. Its totient is φ = 111000651460.

The previous prime is 122100716611. The next prime is 122100716669. The reversal of 122100716617 is 716617001221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 716617001221 = 11 ⋅65147000111.

It is a cyclic number.

It is not a de Polignac number, because 122100716617 - 2¹⁵ = 122100683849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122100716611) 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 in 3 ways as a sum of consecutive naturals, for example, 5550032563 + ... + 5550032584.

It is an arithmetic number, because the mean of its divisors is an integer number (33300195444).

Almost surely, 2^122100716617 is an apocalyptic number.

It is an amenable number.

122100716617 is a deficient number, since it is larger than the sum of its proper divisors (11100065159).

122100716617 is a wasteful number, since it uses less digits than its factorization.

122100716617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100065158.

The product of its (nonzero) digits is 7056, while the sum is 34.

Adding to 122100716617 its reverse (716617001221), we get a palindrome (838717717838).

The spelling of 122100716617 in words is "one hundred twenty-two billion, one hundred million, seven hundred sixteen thousand, six hundred seventeen".