102251112 has 32 divisors (see below), whose sum is σ = 259447200. Its totient is φ = 33574464.

The previous prime is 102251081. The next prime is 102251137. The reversal of 102251112 is 211152201.

It is a junction number, because it is equal to n+sod(n) for n = 102251091 and 102251100.

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 in 7 ways as a sum of consecutive naturals, for example, 30187 + ... + 33402.

It is an arithmetic number, because the mean of its divisors is an integer number (8107725).

Almost surely, 2^102251112 is an apocalyptic number.

102251112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102251112 is an abundant number, since it is smaller than the sum of its proper divisors (157196088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102251112 is a wasteful number, since it uses less digits than its factorization.

102251112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63665 (or 63661 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 102251112 is about 10111.9291927901. The cubic root of 102251112 is about 467.6159827383.

The spelling of 102251112 in words is "one hundred two million, two hundred fifty-one thousand, one hundred twelve".