121123031331301 has 4 divisors (see below), whose sum is σ = 121125141656332. Its totient is φ = 121120921006272.

The previous prime is 121123031331257. The next prime is 121123031331307. The reversal of 121123031331301 is 103133130321121.

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 10815777900225 + 110307253431076 = 3288735^2 + 10502726^2 .

It is a cyclic number.

It is not a de Polignac number, because 121123031331301 - 2³³ = 121114441396709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121123031331307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055076420 + ... + 1055191213.

It is an arithmetic number, because the mean of its divisors is an integer number (30281285414083).

Almost surely, 2^{121123031331301} is an apocalyptic number.

It is an amenable number.

121123031331301 is a deficient number, since it is larger than the sum of its proper divisors (2110325031).

121123031331301 is an equidigital number, since it uses as much as digits as its factorization.

121123031331301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110325030.

The product of its (nonzero) digits is 972, while the sum is 25.

Adding to 121123031331301 its reverse (103133130321121), we get a palindrome (224256161652422).

The spelling of 121123031331301 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, thirty-one million, three hundred thirty-one thousand, three hundred one".