33133310121021 has 16 divisors (see below), whose sum is σ = 51028841256768. Its totient is φ = 18899570835200.

The previous prime is 33133310121001. The next prime is 33133310121029. The reversal of 33133310121021 is 12012101333133.

It is not a de Polignac number, because 33133310121021 - 2¹⁵ = 33133310088253 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 33133310120982 and 33133310121000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33133310121029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29530578870 + ... + 29530579991.

It is an arithmetic number, because the mean of its divisors is an integer number (3189302578548).

Almost surely, 2^{33133310121021} is an apocalyptic number.

It is an amenable number.

33133310121021 is a deficient number, since it is larger than the sum of its proper divisors (17895531135747).

33133310121021 is a wasteful number, since it uses less digits than its factorization.

33133310121021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59061158892.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 33133310121021 its reverse (12012101333133), we get a palindrome (45145411454154).

The spelling of 33133310121021 in words is "thirty-three trillion, one hundred thirty-three billion, three hundred ten million, one hundred twenty-one thousand, twenty-one".