112121300331220 has 48 divisors (see below), whose sum is σ = 236575895915520. Its totient is φ = 44635075934976.

The previous prime is 112121300331199. The next prime is 112121300331233. The reversal of 112121300331220 is 22133003121211.

It is a junction number, because it is equal to n+sod(n) for n = 112121300331191 and 112121300331200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12689176 + ... + 19627984.

It is an arithmetic number, because the mean of its divisors is an integer number (4928664498240).

Almost surely, 2^{112121300331220} is an apocalyptic number.

112121300331220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112121300331220 is an abundant number, since it is smaller than the sum of its proper divisors (124454595584300).

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

112121300331220 is a wasteful number, since it uses less digits than its factorization.

112121300331220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6942664 (or 6942662 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 112121300331220 its reverse (22133003121211), we get a palindrome (134254303452431).

The spelling of 112121300331220 in words is "one hundred twelve trillion, one hundred twenty-one billion, three hundred million, three hundred thirty-one thousand, two hundred twenty".