120420223221 has 8 divisors (see below), whose sum is σ = 160578900544. Its totient is φ = 80270847360.

The previous prime is 120420223219. The next prime is 120420223241. The reversal of 120420223221 is 122322024021.

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

It is not a de Polignac number, because 120420223221 - 2¹ = 120420223219 is a prime.

It is a super-2 number, since 2×120420223221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120420223211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2295100 + ... + 2346981.

It is an arithmetic number, because the mean of its divisors is an integer number (20072362568).

Almost surely, 2^120420223221 is an apocalyptic number.

It is an amenable number.

120420223221 is a deficient number, since it is larger than the sum of its proper divisors (40158677323).

120420223221 is an equidigital number, since it uses as much as digits as its factorization.

120420223221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4650731.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 120420223221 its reverse (122322024021), we get a palindrome (242742247242).

The spelling of 120420223221 in words is "one hundred twenty billion, four hundred twenty million, two hundred twenty-three thousand, two hundred twenty-one".