121033203203221 has 8 divisors (see below), whose sum is σ = 123638824673280. Its totient is φ = 118439506774992.

The previous prime is 121033203203167. The next prime is 121033203203299. The reversal of 121033203203221 is 122302302330121.

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 121033203203221 - 2¹¹ = 121033203201173 is a prime.

It is a super-2 number, since 2×121033203203221² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121033203203621) 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 7 ways as a sum of consecutive naturals, for example, 2981239941 + ... + 2981280538.

It is an arithmetic number, because the mean of its divisors is an integer number (15454853084160).

Almost surely, 2^{121033203203221} is an apocalyptic number.

It is an amenable number.

121033203203221 is a deficient number, since it is larger than the sum of its proper divisors (2605621470059).

121033203203221 is an equidigital number, since it uses as much as digits as its factorization.

121033203203221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5962520915.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 121033203203221 its reverse (122302302330121), we get a palindrome (243335505533342).

The spelling of 121033203203221 in words is "one hundred twenty-one trillion, thirty-three billion, two hundred three million, two hundred three thousand, two hundred twenty-one".