112210220120020 has 24 divisors (see below), whose sum is σ = 257063413366368. Its totient is φ = 40803716407200.

The previous prime is 112210220119999. The next prime is 112210220120029. The reversal of 112210220120020 is 20021022012211.

It is a happy number.

It is a super-2 number, since 2×112210220120020² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112210220119976 and 112210220120003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112210220120029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255023227326 + ... + 255023227765.

It is an arithmetic number, because the mean of its divisors is an integer number (10710975556932).

Almost surely, 2^{112210220120020} is an apocalyptic number.

112210220120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112210220120020 is an abundant number, since it is smaller than the sum of its proper divisors (144853193246348).

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

112210220120020 is a wasteful number, since it uses less digits than its factorization.

112210220120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510046455111 (or 510046455109 counting only the distinct ones).

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

Adding to 112210220120020 its reverse (20021022012211), we get a palindrome (132231242132231).

The spelling of 112210220120020 in words is "one hundred twelve trillion, two hundred ten billion, two hundred twenty million, one hundred twenty thousand, twenty".