121755441433 has 8 divisors (see below), whose sum is σ = 125009216640. Its totient is φ = 118515196320.

The previous prime is 121755441419. The next prime is 121755441443. The reversal of 121755441433 is 334144557121.

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 121755441433 - 2⁹ = 121755440921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121755441443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3364285 + ... + 3400282.

It is an arithmetic number, because the mean of its divisors is an integer number (15626152080).

Almost surely, 2^121755441433 is an apocalyptic number.

It is an amenable number.

121755441433 is a deficient number, since it is larger than the sum of its proper divisors (3253775207).

121755441433 is an equidigital number, since it uses as much as digits as its factorization.

121755441433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6765047.

The product of its digits is 201600, while the sum is 40.

Adding to 121755441433 its reverse (334144557121), we get a palindrome (455899998554).

The spelling of 121755441433 in words is "one hundred twenty-one billion, seven hundred fifty-five million, four hundred forty-one thousand, four hundred thirty-three".