112112103213221 has 16 divisors (see below), whose sum is σ = 116192983695360. Its totient is φ = 108060418096560.

The previous prime is 112112103213179. The next prime is 112112103213281. The reversal of 112112103213221 is 122312301211211.

It is a cyclic number.

It is not a de Polignac number, because 112112103213221 - 2³⁸ = 111837225306277 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 (112112103213281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37558310 + ... + 40433288.

It is an arithmetic number, because the mean of its divisors is an integer number (7262061480960).

Almost surely, 2^{112112103213221} is an apocalyptic number.

It is an amenable number.

112112103213221 is a deficient number, since it is larger than the sum of its proper divisors (4080880482139).

112112103213221 is a wasteful number, since it uses less digits than its factorization.

112112103213221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880056.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 112112103213221 its reverse (122312301211211), we get a palindrome (234424404424432).

The spelling of 112112103213221 in words is "one hundred twelve trillion, one hundred twelve billion, one hundred three million, two hundred thirteen thousand, two hundred twenty-one".