120112221 has 8 divisors (see below), whose sum is σ = 160955200. Its totient is φ = 79672032.

The previous prime is 120112217. The next prime is 120112253. The reversal of 120112221 is 122211021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120112221 - 2² = 120112217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120112197 and 120112206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120112261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100000 + ... + 101193.

It is an arithmetic number, because the mean of its divisors is an integer number (20119400).

Almost surely, 2^120112221 is an apocalyptic number.

It is an amenable number.

120112221 is a deficient number, since it is larger than the sum of its proper divisors (40842979).

120112221 is a wasteful number, since it uses less digits than its factorization.

120112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201395.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 120112221 is about 10959.5721175601. The cubic root of 120112221 is about 493.3961229532.

Adding to 120112221 its reverse (122211021), we get a palindrome (242323242).

The spelling of 120112221 in words is "one hundred twenty million, one hundred twelve thousand, two hundred twenty-one".