112100021012 has 12 divisors (see below), whose sum is σ = 224200042080. Its totient is φ = 48042866136.

The previous prime is 112100021009. The next prime is 112100021017. The reversal of 112100021012 is 210120001211.

112100021012 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 112100020984 and 112100021002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112100021017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001786062 + ... + 2001786117.

It is an arithmetic number, because the mean of its divisors is an integer number (18683336840).

Almost surely, 2^112100021012 is an apocalyptic number.

It is an amenable number.

112100021012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

112100021012 is a wasteful number, since it uses less digits than its factorization.

112100021012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4003572190 (or 4003572188 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 112100021012 its reverse (210120001211), we get a palindrome (322220022223).

The spelling of 112100021012 in words is "one hundred twelve billion, one hundred million, twenty-one thousand, twelve".