33241230140221 has 4 divisors (see below), whose sum is σ = 33241566372412. Its totient is φ = 33240893908032.

The previous prime is 33241230140171. The next prime is 33241230140231. The reversal of 33241230140221 is 12204103214233.

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 15852421880100 + 17388808260121 = 3981510^2 + 4169989^2 .

It is a cyclic number.

It is not a de Polignac number, because 33241230140221 - 2⁹ = 33241230139709 is a prime.

It is a super-2 number, since 2×33241230140221² (a number of 28 digits) contains 22 as substring.

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 33241230140221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33241230140231) 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, 167967756 + ... + 168165541.

It is an arithmetic number, because the mean of its divisors is an integer number (8310391593103).

Almost surely, 2^{33241230140221} is an apocalyptic number.

It is an amenable number.

33241230140221 is a deficient number, since it is larger than the sum of its proper divisors (336232191).

33241230140221 is an equidigital number, since it uses as much as digits as its factorization.

33241230140221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336232190.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 33241230140221 its reverse (12204103214233), we get a palindrome (45445333354454).

The spelling of 33241230140221 in words is "thirty-three trillion, two hundred forty-one billion, two hundred thirty million, one hundred forty thousand, two hundred twenty-one".