121112020331023 has 4 divisors (see below), whose sum is σ = 121374736210728. Its totient is φ = 120849304451320.

The previous prime is 121112020331021. The next prime is 121112020331041. The reversal of 121112020331023 is 320133020211121.

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

It is a cyclic number.

It is not a de Polignac number, because 121112020331023 - 2¹ = 121112020331021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121112020330985 and 121112020331003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121112020331021) 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, 131357939161 + ... + 131357940082.

It is an arithmetic number, because the mean of its divisors is an integer number (30343684052682).

Almost surely, 2^{121112020331023} is an apocalyptic number.

121112020331023 is a deficient number, since it is larger than the sum of its proper divisors (262715879705).

121112020331023 is an equidigital number, since it uses as much as digits as its factorization.

121112020331023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262715879704.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 121112020331023 its reverse (320133020211121), we get a palindrome (441245040542144).

The spelling of 121112020331023 in words is "one hundred twenty-one trillion, one hundred twelve billion, twenty million, three hundred thirty-one thousand, twenty-three".