112211220112020 has 96 divisors (see below), whose sum is σ = 349136042653440. Its totient is φ = 29920037546880.

The previous prime is 112211220111973. The next prime is 112211220112021. The reversal of 112211220112020 is 20211022112211.

112211220112020 is a `hidden beast` number, since 11 + 221 + 1 + 220 + 11 + 202 + 0 = 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 = 112211220111984 and 112211220112002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112211220112021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4781736 + ... + 15725375.

It is an arithmetic number, because the mean of its divisors is an integer number (3636833777640).

Almost surely, 2^{112211220112020} is an apocalyptic number.

112211220112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112211220112020 is an abundant number, since it is smaller than the sum of its proper divisors (236924822541420).

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

112211220112020 is a wasteful number, since it uses less digits than its factorization.

112211220112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20517262 (or 20517254 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 112211220112020 its reverse (20211022112211), we get a palindrome (132422242224231).

The spelling of 112211220112020 in words is "one hundred twelve trillion, two hundred eleven billion, two hundred twenty million, one hundred twelve thousand, twenty".