120404042201321 has 24 divisors (see below), whose sum is σ = 125737998443904. Its totient is φ = 115242168000960.

The previous prime is 120404042201309. The next prime is 120404042201327. The reversal of 120404042201321 is 123102240404021.

It is not a de Polignac number, because 120404042201321 - 2⁴² = 116005995690217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120404042201327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39045731 + ... + 42016391.

It is an arithmetic number, because the mean of its divisors is an integer number (5239083268496).

Almost surely, 2^{120404042201321} is an apocalyptic number.

It is an amenable number.

120404042201321 is a deficient number, since it is larger than the sum of its proper divisors (5333956242583).

120404042201321 is an equidigital number, since it uses as much as digits as its factorization.

120404042201321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971121 (or 2971068 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 120404042201321 its reverse (123102240404021), we get a palindrome (243506282605342).

The spelling of 120404042201321 in words is "one hundred twenty trillion, four hundred four billion, forty-two million, two hundred one thousand, three hundred twenty-one".