120020121113 has 4 divisors (see below), whose sum is σ = 120063719988. Its totient is φ = 119976522240.

The previous prime is 120020121103. The next prime is 120020121157. The reversal of 120020121113 is 311121020021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69930100249 + 50090020864 = 264443^2 + 223808^2 .

It is a cyclic number.

It is not a de Polignac number, because 120020121113 - 2¹⁸ = 120019858969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120020121103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21795308 + ... + 21800813.

It is an arithmetic number, because the mean of its divisors is an integer number (30015929997).

Almost surely, 2^120020121113 is an apocalyptic number.

It is an amenable number.

120020121113 is a deficient number, since it is larger than the sum of its proper divisors (43598875).

120020121113 is an equidigital number, since it uses as much as digits as its factorization.

120020121113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43598874.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 120020121113 its reverse (311121020021), we get a palindrome (431141141134).

The spelling of 120020121113 in words is "one hundred twenty billion, twenty million, one hundred twenty-one thousand, one hundred thirteen".