101243112 has 16 divisors (see below), whose sum is σ = 253107840. Its totient is φ = 33747696.

The previous prime is 101243101. The next prime is 101243159. The reversal of 101243112 is 211342101.

It is a junction number, because it is equal to n+sod(n) for n = 101243091 and 101243100.

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 3 ways as a sum of consecutive naturals, for example, 2109208 + ... + 2109255.

It is an arithmetic number, because the mean of its divisors is an integer number (15819240).

Almost surely, 2^101243112 is an apocalyptic number.

101243112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

101243112 is an abundant number, since it is smaller than the sum of its proper divisors (151864728).

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

101243112 is a wasteful number, since it uses less digits than its factorization.

101243112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218472 (or 4218468 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 101243112 is about 10061.9636254560. The cubic root of 101243112 is about 466.0743064596.

Adding to 101243112 its reverse (211342101), we get a palindrome (312585213).

The spelling of 101243112 in words is "one hundred one million, two hundred forty-three thousand, one hundred twelve".