120441421220999 has 4 divisors (see below), whose sum is σ = 120441450974064. Its totient is φ = 120441391467936.

The previous prime is 120441421220977. The next prime is 120441421221031. The reversal of 120441421220999 is 999022124144021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120441421220999 - 2⁴⁰ = 119341909593223 is a prime.

It is a super-4 number, since 4×120441421220999⁴ (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120441421220909) 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, 7626827 + ... + 17293100.

It is an arithmetic number, because the mean of its divisors is an integer number (30110362743516).

Almost surely, 2^{120441421220999} is an apocalyptic number.

120441421220999 is a deficient number, since it is larger than the sum of its proper divisors (29753065).

120441421220999 is an equidigital number, since it uses as much as digits as its factorization.

120441421220999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29753064.

The product of its (nonzero) digits is 746496, while the sum is 50.

The spelling of 120441421220999 in words is "one hundred twenty trillion, four hundred forty-one billion, four hundred twenty-one million, two hundred twenty thousand, nine hundred ninety-nine".