121303221001 has 8 divisors (see below), whose sum is σ = 126580861440. Its totient is φ = 116025879552.

The previous prime is 121303220963. The next prime is 121303221029. The reversal of 121303221001 is 100122303121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121303221001 - 2¹⁵ = 121303188233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121303221901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1266856 + ... + 1359238.

It is an arithmetic number, because the mean of its divisors is an integer number (15822607680).

Almost surely, 2^121303221001 is an apocalyptic number.

It is an amenable number.

121303221001 is a deficient number, since it is larger than the sum of its proper divisors (5277640439).

121303221001 is an equidigital number, since it uses as much as digits as its factorization.

121303221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149495.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121303221001 its reverse (100122303121), we get a palindrome (221425524122).

The spelling of 121303221001 in words is "one hundred twenty-one billion, three hundred three million, two hundred twenty-one thousand, one".