1112312102220 has 288 divisors, whose sum is σ = 3922098014016. Its totient is φ = 252171878400.

The previous prime is 1112312102177. The next prime is 1112312102243. The reversal of 1112312102220 is 222012132111.

1112312102220 is a `hidden beast` number, since 1 + 1 + 1 + 231 + 210 + 2 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1112312102193 and 1112312102202.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5179380 + ... + 5389860.

It is an arithmetic number, because the mean of its divisors is an integer number (13618395882).

Almost surely, 2^{1112312102220} is an apocalyptic number.

1112312102220 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 1112312102220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1961049007008).

1112312102220 is an abundant number, since it is smaller than the sum of its proper divisors (2809785911796).

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

1112312102220 is a wasteful number, since it uses less digits than its factorization.

1112312102220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210681 (or 210676 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1112312102220 its reverse (222012132111), we get a palindrome (1334324234331).

The spelling of 1112312102220 in words is "one trillion, one hundred twelve billion, three hundred twelve million, one hundred two thousand, two hundred twenty".