33002130110021 has 4 divisors (see below), whose sum is σ = 33894079572492. Its totient is φ = 32110180647552.

The previous prime is 33002130109951. The next prime is 33002130110101. The reversal of 33002130110021 is 12001103120033.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28449838477921 + 4552291632100 = 5333839^2 + 2133610^2 .

It is a cyclic number.

It is not a de Polignac number, because 33002130110021 - 2¹⁴ = 33002130093637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33002130115021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445974731180 + ... + 445974731253.

It is an arithmetic number, because the mean of its divisors is an integer number (8473519893123).

Almost surely, 2^{33002130110021} is an apocalyptic number.

It is an amenable number.

33002130110021 is a deficient number, since it is larger than the sum of its proper divisors (891949462471).

33002130110021 is an equidigital number, since it uses as much as digits as its factorization.

33002130110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891949462470.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 33002130110021 its reverse (12001103120033), we get a palindrome (45003233230054).

The spelling of 33002130110021 in words is "thirty-three trillion, two billion, one hundred thirty million, one hundred ten thousand, twenty-one".