112220200121020 has 48 divisors (see below), whose sum is σ = 239626343619936. Its totient is φ = 44133665184000.

The previous prime is 112220200120999. The next prime is 112220200121041. The reversal of 112220200121020 is 20121002022211.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (112220200120999) and next prime (112220200121041).

It is a junction number, because it is equal to n+sod(n) for n = 112220200120985 and 112220200121003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16411386 + ... + 22221025.

It is an arithmetic number, because the mean of its divisors is an integer number (4992215492082).

Almost surely, 2^{112220200121020} is an apocalyptic number.

112220200121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112220200121020 is an abundant number, since it is smaller than the sum of its proper divisors (127406143498916).

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

112220200121020 is a wasteful number, since it uses less digits than its factorization.

112220200121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38634862 (or 38634860 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 112220200121020 its reverse (20121002022211), we get a palindrome (132341202143231).

The spelling of 112220200121020 in words is "one hundred twelve trillion, two hundred twenty billion, two hundred million, one hundred twenty-one thousand, twenty".