120221340233221 has 4 divisors (see below), whose sum is σ = 120285940632844. Its totient is φ = 120156739833600.

The previous prime is 120221340233219. The next prime is 120221340233257. The reversal of 120221340233221 is 122332043122021.

It is a happy number.

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 1276359917121 + 118944980316100 = 1129761^2 + 10906190^2 .

It is a cyclic number.

It is not a de Polignac number, because 120221340233221 - 2¹ = 120221340233219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120221340233221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221340533221) 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, 32300197020 + ... + 32300200741.

It is an arithmetic number, because the mean of its divisors is an integer number (30071485158211).

Almost surely, 2^{120221340233221} is an apocalyptic number.

It is an amenable number.

120221340233221 is a deficient number, since it is larger than the sum of its proper divisors (64600399623).

120221340233221 is an equidigital number, since it uses as much as digits as its factorization.

120221340233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64600399622.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 120221340233221 its reverse (122332043122021), we get a palindrome (242553383355242).

The spelling of 120221340233221 in words is "one hundred twenty trillion, two hundred twenty-one billion, three hundred forty million, two hundred thirty-three thousand, two hundred twenty-one".