112220211202020 has 72 divisors (see below), whose sum is σ = 343771617341880. Its totient is φ = 29629098662400.

The previous prime is 112220211201997. The next prime is 112220211202051. The reversal of 112220211202020 is 20202112022211.

It is a happy number.

112220211202020 is a `hidden beast` number, since 1 + 12 + 220 + 211 + 20 + 202 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10429747758144 + 101790463443876 = 3229512^2 + 10089126^2 .

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 = 112220211201984 and 112220211202002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3086346265 + ... + 3086382624.

It is an arithmetic number, because the mean of its divisors is an integer number (4774605796415).

Almost surely, 2^{112220211202020} is an apocalyptic number.

112220211202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112220211202020 is an abundant number, since it is smaller than the sum of its proper divisors (231551406139860).

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

112220211202020 is a wasteful number, since it uses less digits than its factorization.

112220211202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172729005 (or 6172729000 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 112220211202020 its reverse (20202112022211), we get a palindrome (132422323224231).

The spelling of 112220211202020 in words is "one hundred twelve trillion, two hundred twenty billion, two hundred eleven million, two hundred two thousand, twenty".