120001010222221 has 8 divisors (see below), whose sum is σ = 121792273346304. Its totient is φ = 118209753076800.

The previous prime is 120001010222213. The next prime is 120001010222297. The reversal of 120001010222221 is 122222010100021.

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 120001010222221 - 2³ = 120001010222213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120001010222195 and 120001010222204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120001010223221) 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, 54473061 + ... + 56633173.

It is an arithmetic number, because the mean of its divisors is an integer number (15224034168288).

Almost surely, 2^{120001010222221} is an apocalyptic number.

It is an amenable number.

120001010222221 is a deficient number, since it is larger than the sum of its proper divisors (1791263124083).

120001010222221 is an equidigital number, since it uses as much as digits as its factorization.

120001010222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989331.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120001010222221 its reverse (122222010100021), we get a palindrome (242223020322242).

The spelling of 120001010222221 in words is "one hundred twenty trillion, one billion, ten million, two hundred twenty-two thousand, two hundred twenty-one".