112221001332221 has 4 divisors (see below), whose sum is σ = 112221312373344. Its totient is φ = 112220690291100.

The previous prime is 112221001332217. The next prime is 112221001332247. The reversal of 112221001332221 is 122233100122211.

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 a cyclic number.

It is not a de Polignac number, because 112221001332221 - 2² = 112221001332217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112221001332421) 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, 154978745 + ... + 155701166.

It is an arithmetic number, because the mean of its divisors is an integer number (28055328093336).

Almost surely, 2^{112221001332221} is an apocalyptic number.

It is an amenable number.

112221001332221 is a deficient number, since it is larger than the sum of its proper divisors (311041123).

112221001332221 is an equidigital number, since it uses as much as digits as its factorization.

112221001332221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311041122.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 112221001332221 its reverse (122233100122211), we get a palindrome (234454101454432).

The spelling of 112221001332221 in words is "one hundred twelve trillion, two hundred twenty-one billion, one million, three hundred thirty-two thousand, two hundred twenty-one".