121303122120001 has 4 divisors (see below), whose sum is σ = 121303171079104. Its totient is φ = 121303073160900.

The previous prime is 121303122119981. The next prime is 121303122120007. The reversal of 121303122120001 is 100021221303121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121303122120001 - 2⁵ = 121303122119969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121303122120007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20553165 + ... + 25788346.

It is an arithmetic number, because the mean of its divisors is an integer number (30325792769776).

Almost surely, 2^{121303122120001} is an apocalyptic number.

It is an amenable number.

121303122120001 is a deficient number, since it is larger than the sum of its proper divisors (48959103).

121303122120001 is an equidigital number, since it uses as much as digits as its factorization.

121303122120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48959102.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 121303122120001 its reverse (100021221303121), we get a palindrome (221324343423122).

The spelling of 121303122120001 in words is "one hundred twenty-one trillion, three hundred three billion, one hundred twenty-two million, one hundred twenty thousand, one".