33024240121021 has 2 divisors, whose sum is σ = 33024240121022. Its totient is φ = 33024240121020.

The previous prime is 33024240120943. The next prime is 33024240121031. The reversal of 33024240121021 is 12012104242033.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19903465368900 + 13120774752121 = 4461330^2 + 3622261^2 .

It is a cyclic number.

It is not a de Polignac number, because 33024240121021 - 2²³ = 33024231732413 is a prime.

It is a super-2 number, since 2×33024240121021² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33024240121031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16512120060510 + 16512120060511.

It is an arithmetic number, because the mean of its divisors is an integer number (16512120060511).

Almost surely, 2^{33024240121021} is an apocalyptic number.

It is an amenable number.

33024240121021 is a deficient number, since it is larger than the sum of its proper divisors (1).

33024240121021 is an equidigital number, since it uses as much as digits as its factorization.

33024240121021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 33024240121021 its reverse (12012104242033), we get a palindrome (45036344363054).

The spelling of 33024240121021 in words is "thirty-three trillion, twenty-four billion, two hundred forty million, one hundred twenty-one thousand, twenty-one".