112210021000020 has 48 divisors (see below), whose sum is σ = 314613211913280. Its totient is φ = 29882181494016.

The previous prime is 112210021000009. The next prime is 112210021000073. The reversal of 112210021000020 is 20000120012211.

It is a super-3 number, since 3×112210021000020³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1265291937 + ... + 1265380616.

It is an arithmetic number, because the mean of its divisors is an integer number (6554441914860).

Almost surely, 2^{112210021000020} is an apocalyptic number.

112210021000020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112210021000020 is an abundant number, since it is smaller than the sum of its proper divisors (202403190913260).

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

112210021000020 is a wasteful number, since it uses less digits than its factorization.

112210021000020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530673304 (or 2530673302 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 112210021000020 its reverse (20000120012211), we get a palindrome (132210141012231).

The spelling of 112210021000020 in words is "one hundred twelve trillion, two hundred ten billion, twenty-one million, twenty", and thus it is an aban number.