120221222213 has 4 divisors (see below), whose sum is σ = 120238097760. Its totient is φ = 120204346668.

The previous prime is 120221222201. The next prime is 120221222287. The reversal of 120221222213 is 312222122021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 312222122021 = 6271 ⋅49788251.

It is a cyclic number.

It is not a de Polignac number, because 120221222213 - 2⁸ = 120221221957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120221222713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8427083 + ... + 8441336.

It is an arithmetic number, because the mean of its divisors is an integer number (30059524440).

Almost surely, 2^120221222213 is an apocalyptic number.

It is an amenable number.

120221222213 is a deficient number, since it is larger than the sum of its proper divisors (16875547).

120221222213 is an equidigital number, since it uses as much as digits as its factorization.

120221222213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16875546.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 120221222213 its reverse (312222122021), we get a palindrome (432443344234).

The spelling of 120221222213 in words is "one hundred twenty billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred thirteen".