108609621101 has 2 divisors, whose sum is σ = 108609621102. Its totient is φ = 108609621100.

The previous prime is 108609621091. The next prime is 108609621103. The reversal of 108609621101 is 101126906801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77981121001 + 30628500100 = 279251^2 + 175010^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108609621101 is a prime.

Together with 108609621103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108609621103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54304810550 + 54304810551.

It is an arithmetic number, because the mean of its divisors is an integer number (54304810551).

Almost surely, 2^108609621101 is an apocalyptic number.

It is an amenable number.

108609621101 is a deficient number, since it is larger than the sum of its proper divisors (1).

108609621101 is an equidigital number, since it uses as much as digits as its factorization.

108609621101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 35.

The spelling of 108609621101 in words is "one hundred eight billion, six hundred nine million, six hundred twenty-one thousand, one hundred one".