120031210310121 has 12 divisors (see below), whose sum is σ = 189140088973680. Its totient is φ = 72746188066680.

The previous prime is 120031210310101. The next prime is 120031210310149. The reversal of 120031210310121 is 121013012130021.

120031210310121 is a `hidden beast` number, since 1 + 20 + 0 + 3 + 1 + 210 + 310 + 121 = 666.

It is not a de Polignac number, because 120031210310121 - 2¹⁵ = 120031210277353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120031210310094 and 120031210310103.

It is not an unprimeable number, because it can be changed into a prime (120031210310101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 606218233791 + ... + 606218233988.

It is an arithmetic number, because the mean of its divisors is an integer number (15761674081140).

Almost surely, 2^{120031210310121} is an apocalyptic number.

120031210310121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120031210310121 is a deficient number, since it is larger than the sum of its proper divisors (69108878663559).

120031210310121 is a wasteful number, since it uses less digits than its factorization.

120031210310121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1212436467796 (or 1212436467793 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 120031210310121 its reverse (121013012130021), we get a palindrome (241044222440142).

The spelling of 120031210310121 in words is "one hundred twenty trillion, thirty-one billion, two hundred ten million, three hundred ten thousand, one hundred twenty-one".