112112221002221 has 16 divisors (see below), whose sum is σ = 127774318147200. Its totient is φ = 97431397224000.

The previous prime is 112112221002193. The next prime is 112112221002227. The reversal of 112112221002221 is 122200122211211.

It is a cyclic number.

It is not a de Polignac number, because 112112221002221 - 2¹⁰ = 112112221001197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112112221002193 and 112112221002202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112112221002227) 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, 1739814161 + ... + 1739878598.

It is an arithmetic number, because the mean of its divisors is an integer number (7985894884200).

Almost surely, 2^{112112221002221} is an apocalyptic number.

112112221002221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112112221002221 is a deficient number, since it is larger than the sum of its proper divisors (15662097144979).

112112221002221 is a wasteful number, since it uses less digits than its factorization.

112112221002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479692900.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 112112221002221 its reverse (122200122211211), we get a palindrome (234312343213432).

The spelling of 112112221002221 in words is "one hundred twelve trillion, one hundred twelve billion, two hundred twenty-one million, two thousand, two hundred twenty-one".