120303120132221 has 4 divisors (see below), whose sum is σ = 129557206296252. Its totient is φ = 111049033968192.

The previous prime is 120303120132193. The next prime is 120303120132257. The reversal of 120303120132221 is 122231021303021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69838279024900 + 50464841107321 = 8356930^2 + 7103861^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120303120132221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120303120132421) 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, 4627043081996 + ... + 4627043082021.

It is an arithmetic number, because the mean of its divisors is an integer number (32389301574063).

Almost surely, 2^{120303120132221} is an apocalyptic number.

It is an amenable number.

120303120132221 is a deficient number, since it is larger than the sum of its proper divisors (9254086164031).

120303120132221 is an equidigital number, since it uses as much as digits as its factorization.

120303120132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9254086164030.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 120303120132221 its reverse (122231021303021), we get a palindrome (242534141435242).

The spelling of 120303120132221 in words is "one hundred twenty trillion, three hundred three billion, one hundred twenty million, one hundred thirty-two thousand, two hundred twenty-one".