33434122021 has 8 divisors (see below), whose sum is σ = 33986389464. Its totient is φ = 32881989120.

The previous prime is 33434121991. The next prime is 33434122061. The reversal of 33434122021 is 12022143433.

It can be written as a sum of positive squares in 4 ways, for example, as 2733825796 + 30700296225 = 52286^2 + 175215^2 .

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 33434122021 - 2⁹ = 33434121509 is a prime.

It is a super-2 number, since 2×33434122021² (a number of 22 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 (33434122061) 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, 550461 + ... + 608173.

It is an arithmetic number, because the mean of its divisors is an integer number (4248298683).

Almost surely, 2^33434122021 is an apocalyptic number.

It is an amenable number.

33434122021 is a deficient number, since it is larger than the sum of its proper divisors (552267443).

33434122021 is an equidigital number, since it uses as much as digits as its factorization.

33434122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67271.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 33434122021 its reverse (12022143433), we get a palindrome (45456265454).

It can be divided in two parts, 3343412 and 2021, that added together give a palindrome (3345433).

The spelling of 33434122021 in words is "thirty-three billion, four hundred thirty-four million, one hundred twenty-two thousand, twenty-one".