112110112221 has 32 divisors (see below), whose sum is σ = 157846596096. Its totient is φ = 70683840000.

The previous prime is 112110112201. The next prime is 112110112271. The reversal of 112110112221 is 122211011211.

It is a happy number.

It is not a de Polignac number, because 112110112221 - 2²¹ = 112108015069 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 112110112221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112110112201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1187871 + ... + 1278771.

It is an arithmetic number, because the mean of its divisors is an integer number (4932706128).

Almost surely, 2^112110112221 is an apocalyptic number.

It is an amenable number.

112110112221 is a deficient number, since it is larger than the sum of its proper divisors (45736483875).

112110112221 is a wasteful number, since it uses less digits than its factorization.

112110112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91253.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 112110112221 its reverse (122211011211), we get a palindrome (234321123432).

The spelling of 112110112221 in words is "one hundred twelve billion, one hundred ten million, one hundred twelve thousand, two hundred twenty-one".