102104441111 has 4 divisors (see below), whose sum is σ = 102197518272. Its totient is φ = 102011363952.

The previous prime is 102104441039. The next prime is 102104441147. The reversal of 102104441111 is 111144401201.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-102104441111 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 (102104441711) 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 3 ways as a sum of consecutive naturals, for example, 46536935 + ... + 46539128.

It is an arithmetic number, because the mean of its divisors is an integer number (25549379568).

Almost surely, 2^102104441111 is an apocalyptic number.

102104441111 is a deficient number, since it is larger than the sum of its proper divisors (93077161).

102104441111 is an equidigital number, since it uses as much as digits as its factorization.

102104441111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93077160.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 102104441111 its reverse (111144401201), we get a palindrome (213248842312).

The spelling of 102104441111 in words is "one hundred two billion, one hundred four million, four hundred forty-one thousand, one hundred eleven".