120020404121321 has 8 divisors (see below), whose sum is σ = 130932322459104. Its totient is φ = 109108647868320.

The previous prime is 120020404121273. The next prime is 120020404121339. The reversal of 120020404121321 is 123121404020021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120020404121321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120020404121381) 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, 38970335 + ... + 41937188.

It is an arithmetic number, because the mean of its divisors is an integer number (16366540307388).

Almost surely, 2^{120020404121321} is an apocalyptic number.

120020404121321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120020404121321 is a deficient number, since it is larger than the sum of its proper divisors (10911918337783).

120020404121321 is a wasteful number, since it uses less digits than its factorization.

120020404121321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81042391.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 120020404121321 its reverse (123121404020021), we get a palindrome (243141808141342).

The spelling of 120020404121321 in words is "one hundred twenty trillion, twenty billion, four hundred four million, one hundred twenty-one thousand, three hundred twenty-one".