33121110010055 has 8 divisors (see below), whose sum is σ = 39746620413312. Its totient is φ = 26496029073888.

The previous prime is 33121110010049. The next prime is 33121110010067. The reversal of 33121110010055 is 55001001112133.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33121110010055 is a prime.

It is a super-3 number, since 3×33121110010055³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33121110010055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107197079 + ... + 107505608.

It is an arithmetic number, because the mean of its divisors is an integer number (4968327551664).

Almost surely, 2^{33121110010055} is an apocalyptic number.

33121110010055 is a deficient number, since it is larger than the sum of its proper divisors (6625510403257).

33121110010055 is a wasteful number, since it uses less digits than its factorization.

33121110010055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214733545.

The product of its (nonzero) digits is 450, while the sum is 23.

Adding to 33121110010055 its reverse (55001001112133), we get a palindrome (88122111122188).

The spelling of 33121110010055 in words is "thirty-three trillion, one hundred twenty-one billion, one hundred ten million, ten thousand, fifty-five".