120002102101221 has 8 divisors (see below), whose sum is σ = 162714714713760. Its totient is φ = 78645445444752.

The previous prime is 120002102101151. The next prime is 120002102101237. The reversal of 120002102101221 is 122101201200021.

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

It is not a de Polignac number, because 120002102101221 - 2¹⁰ = 120002102100197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120002102101221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120002102101261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338988988810 + ... + 338988989163.

It is an arithmetic number, because the mean of its divisors is an integer number (20339339339220).

Almost surely, 2^{120002102101221} is an apocalyptic number.

It is an amenable number.

120002102101221 is a deficient number, since it is larger than the sum of its proper divisors (42712612612539).

120002102101221 is an equidigital number, since it uses as much as digits as its factorization.

120002102101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677977978035.

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

Adding to 120002102101221 its reverse (122101201200021), we get a palindrome (242103303301242).

The spelling of 120002102101221 in words is "one hundred twenty trillion, two billion, one hundred two million, one hundred one thousand, two hundred twenty-one".