121355252333 has 4 divisors (see below), whose sum is σ = 138691716960. Its totient is φ = 104018787708.

The previous prime is 121355252327. The next prime is 121355252339. The reversal of 121355252333 is 333252553121.

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 an interprime number because it is at equal distance from previous prime (121355252327) and next prime (121355252339).

It is a cyclic number.

It is not a de Polignac number, because 121355252333 - 2²⁰ = 121354203757 is a prime.

It is a super-2 number, since 2×121355252333² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 121355252293 and 121355252302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121355252339) 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 3 ways as a sum of consecutive naturals, for example, 8668232303 + ... + 8668232316.

It is an arithmetic number, because the mean of its divisors is an integer number (34672929240).

Almost surely, 2^121355252333 is an apocalyptic number.

It is an amenable number.

121355252333 is a deficient number, since it is larger than the sum of its proper divisors (17336464627).

121355252333 is an equidigital number, since it uses as much as digits as its factorization.

121355252333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17336464626.

The product of its digits is 81000, while the sum is 35.

The spelling of 121355252333 in words is "one hundred twenty-one billion, three hundred fifty-five million, two hundred fifty-two thousand, three hundred thirty-three".