112220212021220 has 24 divisors (see below), whose sum is σ = 235670833884024. Its totient is φ = 44886486972416.

The previous prime is 112220212021201. The next prime is 112220212021243. The reversal of 112220212021220 is 22120212022211.

It can be written as a sum of positive squares in 4 ways, for example, as 20359642011556 + 91860570009664 = 4512166^2 + 9584392^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 112220212021192 and 112220212021201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99288767 + ... + 100412646.

It is an arithmetic number, because the mean of its divisors is an integer number (9819618078501).

Almost surely, 2^{112220212021220} is an apocalyptic number.

112220212021220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112220212021220 is an abundant number, since it is smaller than the sum of its proper divisors (123450621862804).

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

112220212021220 is a wasteful number, since it uses less digits than its factorization.

112220212021220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199729519 (or 199729517 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 112220212021220 its reverse (22120212022211), we get a palindrome (134340424043431).

Subtracting from 112220212021220 its reverse (22120212022211), we obtain a palindrome (90099999999009).

The spelling of 112220212021220 in words is "one hundred twelve trillion, two hundred twenty billion, two hundred twelve million, twenty-one thousand, two hundred twenty".