120231121110013 has 4 divisors (see below), whose sum is σ = 120431172892828. Its totient is φ = 120031069327200.

The previous prime is 120231121109969. The next prime is 120231121110043. The reversal of 120231121110013 is 310011121132021.

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 114912461196729 + 5318659913284 = 10719723^2 + 2306222^2 .

It is a cyclic number.

It is not a de Polignac number, because 120231121110013 - 2³³ = 120222531175421 is a prime.

It is a super-2 number, since 2×120231121110013² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120231121110043) 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 3 ways as a sum of consecutive naturals, for example, 100025890506 + ... + 100025891707.

It is an arithmetic number, because the mean of its divisors is an integer number (30107793223207).

Almost surely, 2^{120231121110013} is an apocalyptic number.

It is an amenable number.

120231121110013 is a deficient number, since it is larger than the sum of its proper divisors (200051782815).

120231121110013 is an equidigital number, since it uses as much as digits as its factorization.

120231121110013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200051782814.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 120231121110013 its reverse (310011121132021), we get a palindrome (430242242242034).

The spelling of 120231121110013 in words is "one hundred twenty trillion, two hundred thirty-one billion, one hundred twenty-one million, one hundred ten thousand, thirteen".