112000111221 has 16 divisors (see below), whose sum is σ = 153385904384. Its totient is φ = 72640960704.

The previous prime is 112000111213. The next prime is 112000111231. The reversal of 112000111221 is 122111000211.

It is not a de Polignac number, because 112000111221 - 2³ = 112000111213 is a prime.

It is a super-2 number, since 2×112000111221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112000111197 and 112000111206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112000111231) 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, 1100916 + ... + 1198338.

It is an arithmetic number, because the mean of its divisors is an integer number (9586619024).

Almost surely, 2^112000111221 is an apocalyptic number.

It is an amenable number.

112000111221 is a deficient number, since it is larger than the sum of its proper divisors (41385793163).

112000111221 is a wasteful number, since it uses less digits than its factorization.

112000111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107820.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 112000111221 its reverse (122111000211), we get a palindrome (234111111432).

The spelling of 112000111221 in words is "one hundred twelve billion, one hundred eleven thousand, two hundred twenty-one".