112221200120201 has 4 divisors (see below), whose sum is σ = 116090896676100. Its totient is φ = 108351503564304.

The previous prime is 112221200120171. The next prime is 112221200120203. The reversal of 112221200120201 is 102021002122211.

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 50745392016400 + 61475808103801 = 7123580^2 + 7840651^2 .

It is a cyclic number.

It is not a de Polignac number, because 112221200120201 - 2²² = 112221195925897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112221200120201.

It is not an unprimeable number, because it can be changed into a prime (112221200120203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1934848277906 + ... + 1934848277963.

It is an arithmetic number, because the mean of its divisors is an integer number (29022724169025).

Almost surely, 2^{112221200120201} is an apocalyptic number.

It is an amenable number.

112221200120201 is a deficient number, since it is larger than the sum of its proper divisors (3869696555899).

112221200120201 is an equidigital number, since it uses as much as digits as its factorization.

112221200120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3869696555898.

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

Adding to 112221200120201 its reverse (102021002122211), we get a palindrome (214242202242412).

The spelling of 112221200120201 in words is "one hundred twelve trillion, two hundred twenty-one billion, two hundred million, one hundred twenty thousand, two hundred one".