102102110111 has 8 divisors (see below), whose sum is σ = 109975345920. Its totient is φ = 94478818392.

The previous prime is 102102110107. The next prime is 102102110153. The reversal of 102102110111 is 111011201201.

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 102102110111 - 2² = 102102110107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102102110092 and 102102110101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102102110311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62485175 + ... + 62486808.

It is an arithmetic number, because the mean of its divisors is an integer number (13746918240).

Almost surely, 2^102102110111 is an apocalyptic number.

102102110111 is a deficient number, since it is larger than the sum of its proper divisors (7873235809).

102102110111 is a wasteful number, since it uses less digits than its factorization.

102102110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124972045.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 102102110111 its reverse (111011201201), we get a palindrome (213113311312).

The spelling of 102102110111 in words is "one hundred two billion, one hundred two million, one hundred ten thousand, one hundred eleven".