112220021202020 has 12 divisors (see below), whose sum is σ = 235662044524284. Its totient is φ = 44888008480800.

The previous prime is 112220021202019. The next prime is 112220021202043. The reversal of 112220021202020 is 20202120022211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 86094756183076 + 26125265018944 = 9278726^2 + 5111288^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 112220021202020.

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, 2805500530031 + ... + 2805500530070.

It is an arithmetic number, because the mean of its divisors is an integer number (19638503710357).

Almost surely, 2^{112220021202020} is an apocalyptic number.

112220021202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112220021202020 is an abundant number, since it is smaller than the sum of its proper divisors (123442023322264).

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

112220021202020 is a wasteful number, since it uses less digits than its factorization.

112220021202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611001060110 (or 5611001060108 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 112220021202020 its reverse (20202120022211), we get a palindrome (132422141224231).

The spelling of 112220021202020 in words is "one hundred twelve trillion, two hundred twenty billion, twenty-one million, two hundred two thousand, twenty".