120120200121001 has 16 divisors (see below), whose sum is σ = 125084206348416. Its totient is φ = 115253586000000.

The previous prime is 120120200120969. The next prime is 120120200121013. The reversal of 120120200121001 is 100121002021021.

It is a cyclic number.

It is not a de Polignac number, because 120120200121001 - 2⁵ = 120120200120969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120120200121091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15118026 + ... + 21651676.

It is an arithmetic number, because the mean of its divisors is an integer number (7817762896776).

Almost surely, 2^{120120200121001} is an apocalyptic number.

It is an amenable number.

120120200121001 is a deficient number, since it is larger than the sum of its proper divisors (4964006227415).

120120200121001 is an equidigital number, since it uses as much as digits as its factorization.

120120200121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6541104.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120120200121001 its reverse (100121002021021), we get a palindrome (220241202142022).

The spelling of 120120200121001 in words is "one hundred twenty trillion, one hundred twenty billion, two hundred million, one hundred twenty-one thousand, one".