120213120332221 has 4 divisors (see below), whose sum is σ = 137386423236832. Its totient is φ = 103039817427612.

The previous prime is 120213120332203. The next prime is 120213120332317. The reversal of 120213120332221 is 122233021312021.

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 120213120332221 - 2¹³ = 120213120324029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120213120330221) 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, 8586651452295 + ... + 8586651452308.

It is an arithmetic number, because the mean of its divisors is an integer number (34346605809208).

Almost surely, 2^{120213120332221} is an apocalyptic number.

It is an amenable number.

120213120332221 is a deficient number, since it is larger than the sum of its proper divisors (17173302904611).

120213120332221 is an equidigital number, since it uses as much as digits as its factorization.

120213120332221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17173302904610.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 120213120332221 its reverse (122233021312021), we get a palindrome (242446141644242).

The spelling of 120213120332221 in words is "one hundred twenty trillion, two hundred thirteen billion, one hundred twenty million, three hundred thirty-two thousand, two hundred twenty-one".