33333042322421 has 8 divisors (see below), whose sum is σ = 33917941409688. Its totient is φ = 32749383744000.

The previous prime is 33333042322369. The next prime is 33333042322427. The reversal of 33333042322421 is 12422324033333.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1402066759921 + 31930975562500 = 1184089^2 + 5650750^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 33333042322421 - 2¹⁸ = 33333042060277 is a prime.

It is a super-2 number, since 2×33333042322421² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33333042322427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310073000 + ... + 310180481.

It is an arithmetic number, because the mean of its divisors is an integer number (4239742676211).

Almost surely, 2^{33333042322421} is an apocalyptic number.

It is an amenable number.

33333042322421 is a deficient number, since it is larger than the sum of its proper divisors (584899087267).

33333042322421 is an equidigital number, since it uses as much as digits as its factorization.

33333042322421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620254423.

The product of its (nonzero) digits is 186624, while the sum is 35.

Adding to 33333042322421 its reverse (12422324033333), we get a palindrome (45755366355754).

The spelling of 33333042322421 in words is "thirty-three trillion, three hundred thirty-three billion, forty-two million, three hundred twenty-two thousand, four hundred twenty-one".