120031130021 has 8 divisors (see below), whose sum is σ = 130945872000. Its totient is φ = 109116858240.

The previous prime is 120031129997. The next prime is 120031130033.

120031130021 is nontrivially palindromic in base 10.

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-120031130021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120031129978 and 120031130005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120031130221) 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, 614420 + ... + 785858.

It is an arithmetic number, because the mean of its divisors is an integer number (16368234000).

Almost surely, 2^120031130021 is an apocalyptic number.

120031130021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120031130021 is a deficient number, since it is larger than the sum of its proper divisors (10914741979).

120031130021 is a wasteful number, since it uses less digits than its factorization.

120031130021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235099.

The product of its (nonzero) digits is 36, while the sum is 14.

It can be divided in two parts, 120031 and 130021, that added together give a palindrome (250052).

The spelling of 120031130021 in words is "one hundred twenty billion, thirty-one million, one hundred thirty thousand, twenty-one".