112131220220 has 48 divisors (see below), whose sum is σ = 237842801280. Its totient is φ = 44403377664.

The previous prime is 112131220213. The next prime is 112131220237. The reversal of 112131220220 is 22022131211.

112131220220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×112131220220² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 949826 + ... + 1061334.

It is an arithmetic number, because the mean of its divisors is an integer number (4955058360).

Almost surely, 2^112131220220 is an apocalyptic number.

112131220220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112131220220 is an abundant number, since it is smaller than the sum of its proper divisors (125711581060).

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

112131220220 is a wasteful number, since it uses less digits than its factorization.

112131220220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112022 (or 112020 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 112131220220 its reverse (22022131211), we get a palindrome (134153351431).

The spelling of 112131220220 in words is "one hundred twelve billion, one hundred thirty-one million, two hundred twenty thousand, two hundred twenty".