33212221240109 has 4 divisors (see below), whose sum is σ = 33212286899616. Its totient is φ = 33212155580604.

The previous prime is 33212221240057. The next prime is 33212221240129. The reversal of 33212221240109 is 90104212221233.

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 a de Polignac number, because none of the positive numbers 2^k-33212221240109 is a prime.

It is a super-2 number, since 2×33212221240109² (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 (33212221240129) 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, 32065079 + ... + 33084644.

It is an arithmetic number, because the mean of its divisors is an integer number (8303071724904).

Almost surely, 2^{33212221240109} is an apocalyptic number.

It is an amenable number.

33212221240109 is a deficient number, since it is larger than the sum of its proper divisors (65659507).

33212221240109 is an equidigital number, since it uses as much as digits as its factorization.

33212221240109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65659506.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 33212221240109 in words is "thirty-three trillion, two hundred twelve billion, two hundred twenty-one million, two hundred forty thousand, one hundred nine".