120221105 has 16 divisors (see below), whose sum is σ = 147184128. Its totient is φ = 94248000.

The previous prime is 120221099. The next prime is 120221117. The reversal of 120221105 is 501122021.

It is not a de Polignac number, because 120221105 - 2⁴ = 120221089 is a prime.

It is a super-2 number, since 2×120221105² = 28906228174842050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120221105.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63320 + ... + 65190.

It is an arithmetic number, because the mean of its divisors is an integer number (9199008).

Almost surely, 2^120221105 is an apocalyptic number.

It is an amenable number.

120221105 is a deficient number, since it is larger than the sum of its proper divisors (26963023).

120221105 is a wasteful number, since it uses less digits than its factorization.

120221105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 120221105 is about 10964.5385219808. The cubic root of 120221105 is about 493.5451688969.

Adding to 120221105 its reverse (501122021), we get a palindrome (621343126).

The spelling of 120221105 in words is "one hundred twenty million, two hundred twenty-one thousand, one hundred five".