120021021223 has 8 divisors (see below), whose sum is σ = 122060707200. Its totient is φ = 117981516408.

The previous prime is 120021021193. The next prime is 120021021247. The reversal of 120021021223 is 322120120021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120021021223 - 2⁵ = 120021021191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120021021197 and 120021021206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120021021293) 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 7 ways as a sum of consecutive naturals, for example, 2422740 + ... + 2471782.

It is an arithmetic number, because the mean of its divisors is an integer number (15257588400).

Almost surely, 2^120021021223 is an apocalyptic number.

120021021223 is a deficient number, since it is larger than the sum of its proper divisors (2039685977).

120021021223 is an equidigital number, since it uses as much as digits as its factorization.

120021021223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90581.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 120021021223 its reverse (322120120021), we get a palindrome (442141141244).

The spelling of 120021021223 in words is "one hundred twenty billion, twenty-one million, twenty-one thousand, two hundred twenty-three".