102001112 has 32 divisors (see below), whose sum is σ = 197920800. Its totient is φ = 49248000.

The previous prime is 102001099. The next prime is 102001121. The reversal of 102001112 is 211100201.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 102001112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31589 + ... + 34667.

It is an arithmetic number, because the mean of its divisors is an integer number (6185025).

Almost surely, 2^102001112 is an apocalyptic number.

It is an amenable number.

102001112 is a deficient number, since it is larger than the sum of its proper divisors (95919688).

102001112 is a wasteful number, since it uses less digits than its factorization.

102001112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3227 (or 3223 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 102001112 is about 10099.5599904154. The cubic root of 102001112 is about 467.2345707475.

Adding to 102001112 its reverse (211100201), we get a palindrome (313101313).

The spelling of 102001112 in words is "one hundred two million, one thousand, one hundred twelve".