112120222221 has 32 divisors (see below), whose sum is σ = 193872199680. Its totient is φ = 62705529648.

The previous prime is 112120222219. The next prime is 112120222261. The reversal of 112120222221 is 122222021211.

It is a happy number.

112120222221 is a `hidden beast` number, since 11 + 212 + 0 + 222 + 221 = 666.

It is not a de Polignac number, because 112120222221 - 2¹ = 112120222219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112120222194 and 112120222203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120222261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6302061 + ... + 6319826.

It is an arithmetic number, because the mean of its divisors is an integer number (6058506240).

Almost surely, 2^112120222221 is an apocalyptic number.

It is an amenable number.

112120222221 is a deficient number, since it is larger than the sum of its proper divisors (81751977459).

112120222221 is a wasteful number, since it uses less digits than its factorization.

112120222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12621950 (or 12621944 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 112120222221 its reverse (122222021211), we get a palindrome (234342243432).

The spelling of 112120222221 in words is "one hundred twelve billion, one hundred twenty million, two hundred twenty-two thousand, two hundred twenty-one".