112210220101220 has 12 divisors (see below), whose sum is σ = 235641462212604. Its totient is φ = 44884088040480.

The previous prime is 112210220101207. The next prime is 112210220101223. The reversal of 112210220101220 is 22101022012211.

It can be written as a sum of positive squares in 2 ways, for example, as 67677474063424 + 44532746037796 = 8226632^2 + 6673286^2 .

It is a super-2 number, since 2×112210220101220² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (112210220101223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2805255502511 + ... + 2805255502550.

It is an arithmetic number, because the mean of its divisors is an integer number (19636788517717).

Almost surely, 2^{112210220101220} is an apocalyptic number.

112210220101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112210220101220 is an abundant number, since it is smaller than the sum of its proper divisors (123431242111384).

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

112210220101220 is a wasteful number, since it uses less digits than its factorization.

112210220101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610511005070 (or 5610511005068 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 112210220101220 its reverse (22101022012211), we get a palindrome (134311242113431).

The spelling of 112210220101220 in words is "one hundred twelve trillion, two hundred ten billion, two hundred twenty million, one hundred one thousand, two hundred twenty".