112100020 has 24 divisors (see below), whose sum is σ = 235620000. Its totient is φ = 44800032.

The previous prime is 112099991. The next prime is 112100033. The reversal of 112100020 is 20001211.

It is a junction number, because it is equal to n+sod(n) for n = 112099976 and 112100012.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 32331 + ... + 35629.

It is an arithmetic number, because the mean of its divisors is an integer number (9817500).

Almost surely, 2^112100020 is an apocalyptic number.

112100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112100020 is an abundant number, since it is smaller than the sum of its proper divisors (123519980).

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

112100020 is a wasteful number, since it uses less digits than its factorization.

112100020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5007 (or 5005 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 112100020 is about 10587.7296905427. The cubic root of 112100020 is about 482.1718996837.

Adding to 112100020 its reverse (20001211), we get a palindrome (132101231).

The spelling of 112100020 in words is "one hundred twelve million, one hundred thousand, twenty".