33134001221 has 4 divisors (see below), whose sum is σ = 33145875744. Its totient is φ = 33122126700.

The previous prime is 33134001119. The next prime is 33134001233. The reversal of 33134001221 is 12210043133.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33134001221 - 2¹⁴ = 33133984837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33134001193 and 33134001202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33134001421) 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, 5933075 + ... + 5938656.

It is an arithmetic number, because the mean of its divisors is an integer number (8286468936).

Almost surely, 2^33134001221 is an apocalyptic number.

It is an amenable number.

33134001221 is a deficient number, since it is larger than the sum of its proper divisors (11874523).

33134001221 is a wasteful number, since it uses less digits than its factorization.

33134001221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11874522.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 33134001221 its reverse (12210043133), we get a palindrome (45344044354).

The spelling of 33134001221 in words is "thirty-three billion, one hundred thirty-four million, one thousand, two hundred twenty-one".