121140216430533 has 24 divisors (see below), whose sum is σ = 188038544923008. Its totient is φ = 74875076698752.

The previous prime is 121140216430507. The next prime is 121140216430547. The reversal of 121140216430533 is 335034612041121.

121140216430533 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 4 + 0 + 2 + 1 + 643 + 0 + 5 + 3 + 3 = 666.

It is not a de Polignac number, because 121140216430533 - 2¹⁷ = 121140216299461 is a prime.

It is a super-3 number, since 3×121140216430533³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121140216435533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5908692141 + ... + 5908712642.

It is an arithmetic number, because the mean of its divisors is an integer number (7834939371792).

Almost surely, 2^{121140216430533} is an apocalyptic number.

It is an amenable number.

121140216430533 is a deficient number, since it is larger than the sum of its proper divisors (66898328492475).

121140216430533 is a wasteful number, since it uses less digits than its factorization.

121140216430533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11817404873 (or 11817404870 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 121140216430533 its reverse (335034612041121), we get a palindrome (456174828471654).

The spelling of 121140216430533 in words is "one hundred twenty-one trillion, one hundred forty billion, two hundred sixteen million, four hundred thirty thousand, five hundred thirty-three".