109689189101 has 2 divisors, whose sum is σ = 109689189102. Its totient is φ = 109689189100.

The previous prime is 109689189083. The next prime is 109689189133. The reversal of 109689189101 is 101981986901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106358167876 + 3331021225 = 326126^2 + 57715^2 .

It is a cyclic number.

It is not a de Polignac number, because 109689189101 - 2¹⁴ = 109689172717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109689183101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54844594550 + 54844594551.

It is an arithmetic number, because the mean of its divisors is an integer number (54844594551).

Almost surely, 2^109689189101 is an apocalyptic number.

It is an amenable number.

109689189101 is a deficient number, since it is larger than the sum of its proper divisors (1).

109689189101 is an equidigital number, since it uses as much as digits as its factorization.

109689189101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 53.

The spelling of 109689189101 in words is "one hundred nine billion, six hundred eighty-nine million, one hundred eighty-nine thousand, one hundred one".