112101020201221 has 4 divisors (see below), whose sum is σ = 112170518665452. Its totient is φ = 112031521736992.

The previous prime is 112101020201197. The next prime is 112101020201243. The reversal of 112101020201221 is 122102020101211.

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 71874601896321 + 40226418304900 = 8477889^2 + 6342430^2 .

It is a cyclic number.

It is not a de Polignac number, because 112101020201221 - 2¹¹ = 112101020199173 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112101020201195 and 112101020201204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112101026201221) 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, 34749229696 + ... + 34749232921.

It is an arithmetic number, because the mean of its divisors is an integer number (28042629666363).

Almost surely, 2^{112101020201221} is an apocalyptic number.

It is an amenable number.

112101020201221 is a deficient number, since it is larger than the sum of its proper divisors (69498464231).

112101020201221 is an equidigital number, since it uses as much as digits as its factorization.

112101020201221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69498464230.

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

Adding to 112101020201221 its reverse (122102020101211), we get a palindrome (234203040302432).

The spelling of 112101020201221 in words is "one hundred twelve trillion, one hundred one billion, twenty million, two hundred one thousand, two hundred twenty-one".