121112301123001 has 4 divisors (see below), whose sum is σ = 121114430701812. Its totient is φ = 121110171544192.

The previous prime is 121112301122993. The next prime is 121112301123091. The reversal of 121112301123001 is 100321103211121.

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 62475745305600 + 58636555817401 = 7904160^2 + 7657451^2 .

It is a cyclic number.

It is not a de Polignac number, because 121112301123001 - 2³ = 121112301122993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 121112301123001.

It is not an unprimeable number, because it can be changed into a prime (121112301123091) 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, 1064704096 + ... + 1064817841.

It is an arithmetic number, because the mean of its divisors is an integer number (30278607675453).

Almost surely, 2^{121112301123001} is an apocalyptic number.

It is an amenable number.

121112301123001 is a deficient number, since it is larger than the sum of its proper divisors (2129578811).

121112301123001 is an equidigital number, since it uses as much as digits as its factorization.

121112301123001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129578810.

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

Adding to 121112301123001 its reverse (100321103211121), we get a palindrome (221433404334122).

The spelling of 121112301123001 in words is "one hundred twenty-one trillion, one hundred twelve billion, three hundred one million, one hundred twenty-three thousand, one".