112211231321220 has 384 divisors, whose sum is σ = 332574817075200. Its totient is φ = 28228345786368.

The previous prime is 112211231321219. The next prime is 112211231321261. The reversal of 112211231321220 is 22123132112211.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15634834272 + ... + 15634841448.

It is an arithmetic number, because the mean of its divisors is an integer number (866080252800).

Almost surely, 2^{112211231321220} is an apocalyptic number.

112211231321220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112211231321220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166287408537600).

112211231321220 is an abundant number, since it is smaller than the sum of its proper divisors (220363585753980).

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

112211231321220 is a wasteful number, since it uses less digits than its factorization.

112211231321220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8467 (or 8465 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 112211231321220 its reverse (22123132112211), we get a palindrome (134334363433431).

The spelling of 112211231321220 in words is "one hundred twelve trillion, two hundred eleven billion, two hundred thirty-one million, three hundred twenty-one thousand, two hundred twenty".