102130111 has 8 divisors (see below), whose sum is σ = 108281600. Its totient is φ = 96056280.

The previous prime is 102130103. The next prime is 102130123. The reversal of 102130111 is 111031201.

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 102130111 - 2³ = 102130103 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 (102130211) 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, 16695 + ... + 21976.

It is an arithmetic number, because the mean of its divisors is an integer number (13535200).

Almost surely, 2^102130111 is an apocalyptic number.

102130111 is a deficient number, since it is larger than the sum of its proper divisors (6151489).

102130111 is a wasteful number, since it uses less digits than its factorization.

102130111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38829.

The product of its (nonzero) digits is 6, while the sum is 10.

The square root of 102130111 is about 10105.9443398428. The cubic root of 102130111 is about 467.4314555344.

Adding to 102130111 its reverse (111031201), we get a palindrome (213161312).

The spelling of 102130111 in words is "one hundred two million, one hundred thirty thousand, one hundred eleven".