33021124421 has 8 divisors (see below), whose sum is σ = 33062841504. Its totient is φ = 32979436560.

The previous prime is 33021124417. The next prime is 33021124469. The reversal of 33021124421 is 12442112033.

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 33021124421 - 2² = 33021124417 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 (33021124471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2961026 + ... + 2972156.

It is an arithmetic number, because the mean of its divisors is an integer number (4132855188).

Almost surely, 2^33021124421 is an apocalyptic number.

It is an amenable number.

33021124421 is a deficient number, since it is larger than the sum of its proper divisors (41717083).

33021124421 is a wasteful number, since it uses less digits than its factorization.

33021124421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14611.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 33021124421 its reverse (12442112033), we get a palindrome (45463236454).

The spelling of 33021124421 in words is "thirty-three billion, twenty-one million, one hundred twenty-four thousand, four hundred twenty-one".