120121121013 has 8 divisors (see below), whose sum is σ = 161961062400. Its totient is φ = 79180963488.

The previous prime is 120121121011. The next prime is 120121121017. The reversal of 120121121013 is 310121121021.

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

It is not a de Polignac number, because 120121121013 - 2¹ = 120121121011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120121120983 and 120121121001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120121121011) 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, 224945653 + ... + 224946186.

It is an arithmetic number, because the mean of its divisors is an integer number (20245132800).

Almost surely, 2^120121121013 is an apocalyptic number.

It is an amenable number.

120121121013 is a deficient number, since it is larger than the sum of its proper divisors (41839941387).

120121121013 is an equidigital number, since it uses as much as digits as its factorization.

120121121013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449891931.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 120121121013 its reverse (310121121021), we get a palindrome (430242242034).

The spelling of 120121121013 in words is "one hundred twenty billion, one hundred twenty-one million, one hundred twenty-one thousand, thirteen".