112200021001220 has 12 divisors (see below), whose sum is σ = 235620044102604. Its totient is φ = 44880008400480.

The previous prime is 112200021001217. The next prime is 112200021001231. The reversal of 112200021001220 is 22100120002211.

It can be written as a sum of positive squares in 2 ways, for example, as 54847147444996 + 57352873556224 = 7405886^2 + 7573168^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112200021001195 and 112200021001204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2805000525011 + ... + 2805000525050.

It is an arithmetic number, because the mean of its divisors is an integer number (19635003675217).

Almost surely, 2^{112200021001220} is an apocalyptic number.

112200021001220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112200021001220 is an abundant number, since it is smaller than the sum of its proper divisors (123420023101384).

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

112200021001220 is a wasteful number, since it uses less digits than its factorization.

112200021001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5610001050070 (or 5610001050068 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 112200021001220 its reverse (22100120002211), we get a palindrome (134300141003431).

Subtracting from 112200021001220 its reverse (22100120002211), we obtain a palindrome (90099900999009).

The spelling of 112200021001220 in words is "one hundred twelve trillion, two hundred billion, twenty-one million, one thousand, two hundred twenty".