112221201221222 has 4 divisors (see below), whose sum is σ = 168331801831836. Its totient is φ = 56110600610610.

The previous prime is 112221201221219. The next prime is 112221201221303. The reversal of 112221201221222 is 222122102122211.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28055300305304 + ... + 28055300305307.

It is an arithmetic number, because the mean of its divisors is an integer number (42082950457959).

Almost surely, 2^{112221201221222} is an apocalyptic number.

112221201221222 is a deficient number, since it is larger than the sum of its proper divisors (56110600610614).

112221201221222 is an equidigital number, since it uses as much as digits as its factorization.

112221201221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56110600610613.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 112221201221222 its reverse (222122102122211), we get a palindrome (334343303343433).

The spelling of 112221201221222 in words is "one hundred twelve trillion, two hundred twenty-one billion, two hundred one million, two hundred twenty-one thousand, two hundred twenty-two".