102112102 has 4 divisors (see below), whose sum is σ = 153168156. Its totient is φ = 51056050.

The previous prime is 102112063. The next prime is 102112121. The reversal of 102112102 is 201211201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 201211201 = 17 ⋅11835953.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25528024 + ... + 25528027.

It is an arithmetic number, because the mean of its divisors is an integer number (38292039).

Almost surely, 2^102112102 is an apocalyptic number.

102112102 is a deficient number, since it is larger than the sum of its proper divisors (51056054).

102112102 is an equidigital number, since it uses as much as digits as its factorization.

102112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51056053.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 102112102 is about 10105.0532903098. The cubic root of 102112102 is about 467.4039792500.

Adding to 102112102 its reverse (201211201), we get a palindrome (303323303).

Subtracting 102112102 from its reverse (201211201), we obtain a palindrome (99099099).

It can be divided in two parts, 10 and 2112102, that added together give a palindrome (2112112).

The spelling of 102112102 in words is "one hundred two million, one hundred twelve thousand, one hundred two".