120221120101221 has 16 divisors (see below), whose sum is σ = 179507767552000. Its totient is φ = 79516331403264.

The previous prime is 120221120101217. The next prime is 120221120101241. The reversal of 120221120101221 is 122101021122021.

120221120101221 is a `hidden beast` number, since 1 + 2 + 0 + 221 + 120 + 101 + 221 = 666.

It is not a de Polignac number, because 120221120101221 - 2² = 120221120101217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120221120101194 and 120221120101203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221120101241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17530051996 + ... + 17530058853.

It is an arithmetic number, because the mean of its divisors is an integer number (11219235472000).

Almost surely, 2^{120221120101221} is an apocalyptic number.

It is an amenable number.

120221120101221 is a deficient number, since it is larger than the sum of its proper divisors (59286647450779).

120221120101221 is a wasteful number, since it uses less digits than its factorization.

120221120101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35060110985 (or 35060110979 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120221120101221 its reverse (122101021122021), we get a palindrome (242322141223242).

The spelling of 120221120101221 in words is "one hundred twenty trillion, two hundred twenty-one billion, one hundred twenty million, one hundred one thousand, two hundred twenty-one".