102111120109 has 8 divisors (see below), whose sum is σ = 109950160320. Its totient is φ = 94475691456.

The previous prime is 102111120107. The next prime is 102111120127. The reversal of 102111120109 is 901021111201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102111120109 - 2¹ = 102111120107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102111120107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50901849 + ... + 50903854.

It is an arithmetic number, because the mean of its divisors is an integer number (13743770040).

Almost surely, 2^102111120109 is an apocalyptic number.

It is an amenable number.

102111120109 is a deficient number, since it is larger than the sum of its proper divisors (7839040211).

102111120109 is a wasteful number, since it uses less digits than its factorization.

102111120109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101805779.

The product of its (nonzero) digits is 36, while the sum is 19.

The spelling of 102111120109 in words is "one hundred two billion, one hundred eleven million, one hundred twenty thousand, one hundred nine".