120220111000221 has 4 divisors (see below), whose sum is σ = 160293481333632. Its totient is φ = 80146740666812.

The previous prime is 120220111000163. The next prime is 120220111000271. The reversal of 120220111000221 is 122000111022021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120220111000221 - 2¹⁴ = 120220110983837 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120220111000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220111000271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20036685166701 + ... + 20036685166706.

It is an arithmetic number, because the mean of its divisors is an integer number (40073370333408).

Almost surely, 2^{120220111000221} is an apocalyptic number.

It is an amenable number.

120220111000221 is a deficient number, since it is larger than the sum of its proper divisors (40073370333411).

120220111000221 is an equidigital number, since it uses as much as digits as its factorization.

120220111000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40073370333410.

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

Adding to 120220111000221 its reverse (122000111022021), we get a palindrome (242220222022242).

The spelling of 120220111000221 in words is "one hundred twenty trillion, two hundred twenty billion, one hundred eleven million, two hundred twenty-one", and thus it is an aban number.