102051112 has 8 divisors (see below), whose sum is σ = 191345850. Its totient is φ = 51025552.

The previous prime is 102051097. The next prime is 102051133. The reversal of 102051112 is 211150201.

It can be written as a sum of positive squares in only one way, i.e., 82919236 + 19131876 = 9106^2 + 4374^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 102051092 and 102051101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6378187 + ... + 6378202.

Almost surely, 2^102051112 is an apocalyptic number.

It is an amenable number.

102051112 is a deficient number, since it is larger than the sum of its proper divisors (89294738).

102051112 is a wasteful number, since it uses less digits than its factorization.

102051112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12756395 (or 12756391 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 102051112 is about 10102.0350425050. The cubic root of 102051112 is about 467.3109029622.

The spelling of 102051112 in words is "one hundred two million, fifty-one thousand, one hundred twelve".