120110221 has 12 divisors (see below), whose sum is σ = 152422560. Its totient is φ = 93591960.

The previous prime is 120110201. The next prime is 120110293. The reversal of 120110221 is 122011021.

It is not a de Polignac number, because 120110221 - 2⁵ = 120110189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120110198 and 120110207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120110201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110881 + ... + 111958.

It is an arithmetic number, because the mean of its divisors is an integer number (12701880).

Almost surely, 2^120110221 is an apocalyptic number.

120110221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120110221 is a deficient number, since it is larger than the sum of its proper divisors (32312339).

120110221 is a wasteful number, since it uses less digits than its factorization.

120110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222864 (or 222857 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 120110221 is about 10959.4808727421. The cubic root of 120110221 is about 493.3933844094.

Adding to 120110221 its reverse (122011021), we get a palindrome (242121242).

The spelling of 120110221 in words is "one hundred twenty million, one hundred ten thousand, two hundred twenty-one".