112221020212013 has 4 divisors (see below), whose sum is σ = 112579553823228. Its totient is φ = 111862486600800.

The previous prime is 112221020212009. The next prime is 112221020212019. The reversal of 112221020212013 is 310212020122211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7887093709609 + 104333926502404 = 2808397^2 + 10214398^2 .

It is a cyclic number.

It is not a de Polignac number, because 112221020212013 - 2² = 112221020212009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221020212019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179266805138 + ... + 179266805763.

It is an arithmetic number, because the mean of its divisors is an integer number (28144888455807).

Almost surely, 2^{112221020212013} is an apocalyptic number.

It is an amenable number.

112221020212013 is a deficient number, since it is larger than the sum of its proper divisors (358533611215).

112221020212013 is an equidigital number, since it uses as much as digits as its factorization.

112221020212013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358533611214.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 112221020212013 its reverse (310212020122211), we get a palindrome (422433040334224).

The spelling of 112221020212013 in words is "one hundred twelve trillion, two hundred twenty-one billion, twenty million, two hundred twelve thousand, thirteen".