112112102221 has 16 divisors (see below), whose sum is σ = 140735692800. Its totient is φ = 87080205168.

The previous prime is 112112102209. The next prime is 112112102233. The reversal of 112112102221 is 122201211211.

It is an interprime number because it is at equal distance from previous prime (112112102209) and next prime (112112102233).

It is a cyclic number.

It is not a de Polignac number, because 112112102221 - 2³⁵ = 77752363853 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112112102195 and 112112102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112112102261) 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, 18321901 + ... + 18328018.

It is an arithmetic number, because the mean of its divisors is an integer number (8795980800).

Almost surely, 2^112112102221 is an apocalyptic number.

It is an amenable number.

112112102221 is a deficient number, since it is larger than the sum of its proper divisors (28623590579).

112112102221 is a wasteful number, since it uses less digits than its factorization.

112112102221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36649968.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112112102221 its reverse (122201211211), we get a palindrome (234313313432).

The spelling of 112112102221 in words is "one hundred twelve billion, one hundred twelve million, one hundred two thousand, two hundred twenty-one".