102321112 has 16 divisors (see below), whose sum is σ = 200193840. Its totient is φ = 48936096.

The previous prime is 102321091. The next prime is 102321119. The reversal of 102321112 is 211123201.

It is a junction number, because it is equal to n+sod(n) for n = 102321092 and 102321101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102321119) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 277863 + ... + 278230.

It is an arithmetic number, because the mean of its divisors is an integer number (12512115).

Almost surely, 2^102321112 is an apocalyptic number.

It is an amenable number.

102321112 is a deficient number, since it is larger than the sum of its proper divisors (97872728).

102321112 is a wasteful number, since it uses less digits than its factorization.

102321112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556122 (or 556118 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 102321112 is about 10115.3898590217. The cubic root of 102321112 is about 467.7226666703.

Adding to 102321112 its reverse (211123201), we get a palindrome (313444313).

The spelling of 102321112 in words is "one hundred two million, three hundred twenty-one thousand, one hundred twelve".