120213320221 has 4 divisors (see below), whose sum is σ = 120234258112. Its totient is φ = 120192382332.

The previous prime is 120213320189. The next prime is 120213320233. The reversal of 120213320221 is 122023312021.

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 120213320221 - 2⁵ = 120213320189 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 (120213320261) 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, 10460331 + ... + 10471816.

It is an arithmetic number, because the mean of its divisors is an integer number (30058564528).

Almost surely, 2^120213320221 is an apocalyptic number.

It is an amenable number.

120213320221 is a deficient number, since it is larger than the sum of its proper divisors (20937891).

120213320221 is an equidigital number, since it uses as much as digits as its factorization.

120213320221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20937890.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 120213320221 its reverse (122023312021), we get a palindrome (242236632242).

The spelling of 120213320221 in words is "one hundred twenty billion, two hundred thirteen million, three hundred twenty thousand, two hundred twenty-one".