120100110220221 has 16 divisors (see below), whose sum is σ = 164644485589248. Its totient is φ = 77825649657600.

The previous prime is 120100110220183. The next prime is 120100110220243. The reversal of 120100110220221 is 122022011001021.

It is not a de Polignac number, because 120100110220221 - 2¹⁰ = 120100110219197 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 120100110220221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120100110220921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1801486336 + ... + 1801553001.

It is an arithmetic number, because the mean of its divisors is an integer number (10290280349328).

Almost surely, 2^{120100110220221} is an apocalyptic number.

It is an amenable number.

120100110220221 is a deficient number, since it is larger than the sum of its proper divisors (44544375369027).

120100110220221 is a wasteful number, since it uses less digits than its factorization.

120100110220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3603039652.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 120100110220221 its reverse (122022011001021), we get a palindrome (242122121221242).

The spelling of 120100110220221 in words is "one hundred twenty trillion, one hundred billion, one hundred ten million, two hundred twenty thousand, two hundred twenty-one".