112012221220201 has 4 divisors (see below), whose sum is σ = 112122795970692. Its totient is φ = 111901646469712.

The previous prime is 112012221220181. The next prime is 112012221220217. The reversal of 112012221220201 is 102022122210211.

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 31940130433600 + 80072090786601 = 5651560^2 + 8948301^2 .

It is a cyclic number.

It is not a de Polignac number, because 112012221220201 - 2¹¹ = 112012221218153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112012221220901) 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, 55287373726 + ... + 55287375751.

It is an arithmetic number, because the mean of its divisors is an integer number (28030698992673).

Almost surely, 2^{112012221220201} is an apocalyptic number.

It is an amenable number.

112012221220201 is a deficient number, since it is larger than the sum of its proper divisors (110574750491).

112012221220201 is a wasteful number, since it uses less digits than its factorization.

112012221220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110574750490.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 112012221220201 its reverse (102022122210211), we get a palindrome (214034343430412).

The spelling of 112012221220201 in words is "one hundred twelve trillion, twelve billion, two hundred twenty-one million, two hundred twenty thousand, two hundred one".