112211120012020 has 12 divisors (see below), whose sum is σ = 235643352025284. Its totient is φ = 44884448004800.

The previous prime is 112211120011979. The next prime is 112211120012021. The reversal of 112211120012020 is 20210021112211.

It can be written as a sum of positive squares in 2 ways, for example, as 45286089496036 + 66925030515984 = 6729494^2 + 8180772^2 .

It is a junction number, because it is equal to n+sod(n) for n = 112211120011985 and 112211120012003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112211120012021) 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, 2805278000281 + ... + 2805278000320.

It is an arithmetic number, because the mean of its divisors is an integer number (19636946002107).

Almost surely, 2^{112211120012020} is an apocalyptic number.

112211120012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112211120012020 is an abundant number, since it is smaller than the sum of its proper divisors (123432232013264).

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

112211120012020 is a wasteful number, since it uses less digits than its factorization.

112211120012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5610556000610 (or 5610556000608 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112211120012020 its reverse (20210021112211), we get a palindrome (132421141124231).

The spelling of 112211120012020 in words is "one hundred twelve trillion, two hundred eleven billion, one hundred twenty million, twelve thousand, twenty".