112221220122201 has 4 divisors (see below), whose sum is σ = 149628293496272. Its totient is φ = 74814146748132.

The previous prime is 112221220122199. The next prime is 112221220122217. The reversal of 112221220122201 is 102221022122211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 112221220122201 - 2¹ = 112221220122199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112221220122101) 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, 18703536687031 + ... + 18703536687036.

It is an arithmetic number, because the mean of its divisors is an integer number (37407073374068).

Almost surely, 2^{112221220122201} is an apocalyptic number.

It is an amenable number.

112221220122201 is a deficient number, since it is larger than the sum of its proper divisors (37407073374071).

112221220122201 is an equidigital number, since it uses as much as digits as its factorization.

112221220122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37407073374070.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 112221220122201 its reverse (102221022122211), we get a palindrome (214442242244412).

The spelling of 112221220122201 in words is "one hundred twelve trillion, two hundred twenty-one billion, two hundred twenty million, one hundred twenty-two thousand, two hundred one".