112122201222221 has 8 divisors (see below), whose sum is σ = 113462148830880. Its totient is φ = 110790205825392.

The previous prime is 112122201222191. The next prime is 112122201222263. The reversal of 112122201222221 is 122222102221211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112122201222221 - 2⁴⁶ = 41753457044557 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112122201222271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1988024591 + ... + 1988080988.

It is an arithmetic number, because the mean of its divisors is an integer number (14182768603860).

Almost surely, 2^{112122201222221} is an apocalyptic number.

It is an amenable number.

112122201222221 is a deficient number, since it is larger than the sum of its proper divisors (1339947608659).

112122201222221 is a wasteful number, since it uses less digits than its factorization.

112122201222221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976105915.

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

Adding to 112122201222221 its reverse (122222102221211), we get a palindrome (234344303443432).

The spelling of 112122201222221 in words is "one hundred twelve trillion, one hundred twenty-two billion, two hundred one million, two hundred twenty-two thousand, two hundred twenty-one".