33213114021 has 4 divisors (see below), whose sum is σ = 44284152032. Its totient is φ = 22142076012.

The previous prime is 33213114001. The next prime is 33213114031. The reversal of 33213114021 is 12041131233.

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 not a de Polignac number, because 33213114021 - 2⁷ = 33213113893 is a prime.

It is a super-2 number, since 2×33213114021² (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 (33213114001) 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 in 3 ways as a sum of consecutive naturals, for example, 5535519001 + ... + 5535519006.

It is an arithmetic number, because the mean of its divisors is an integer number (11071038008).

Almost surely, 2^33213114021 is an apocalyptic number.

It is an amenable number.

33213114021 is a deficient number, since it is larger than the sum of its proper divisors (11071038011).

33213114021 is a wasteful number, since it uses less digits than its factorization.

33213114021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11071038010.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 33213114021 its reverse (12041131233), we get a palindrome (45254245254).

The spelling of 33213114021 in words is "thirty-three billion, two hundred thirteen million, one hundred fourteen thousand, twenty-one".