112211113221 has 24 divisors (see below), whose sum is σ = 163815424344. Its totient is φ = 74008857600.

The previous prime is 112211113211. The next prime is 112211113229. The reversal of 112211113221 is 122311112211.

It is a happy number.

112211113221 is a `hidden beast` number, since 11 + 221 + 111 + 322 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 97054056225 + 15157056996 = 311535^2 + 123114^2 .

It is not a de Polignac number, because 112211113221 - 2¹⁰ = 112211112197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112211113194 and 112211113203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112211113229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1131385 + ... + 1226561.

It is an arithmetic number, because the mean of its divisors is an integer number (6825642681).

Almost surely, 2^112211113221 is an apocalyptic number.

It is an amenable number.

112211113221 is a deficient number, since it is larger than the sum of its proper divisors (51604311123).

112211113221 is a wasteful number, since it uses less digits than its factorization.

112211113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96581 (or 96578 counting only the distinct ones).

The product of its digits is 48, while the sum is 18.

Adding to 112211113221 its reverse (122311112211), we get a palindrome (234522225432).

The spelling of 112211113221 in words is "one hundred twelve billion, two hundred eleven million, one hundred thirteen thousand, two hundred twenty-one".