33212230211 has 4 divisors (see below), whose sum is σ = 33534679152. Its totient is φ = 32889781272.

The previous prime is 33212230159. The next prime is 33212230229. The reversal of 33212230211 is 11203221233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11203221233 = 79 ⋅141812927.

It is a cyclic number.

It is not a de Polignac number, because 33212230211 - 2¹⁰ = 33212229187 is a prime.

It is a super-2 number, since 2×33212230211² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33212230231) 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, 161224316 + ... + 161224521.

It is an arithmetic number, because the mean of its divisors is an integer number (8383669788).

Almost surely, 2^33212230211 is an apocalyptic number.

33212230211 is a deficient number, since it is larger than the sum of its proper divisors (322448941).

33212230211 is a wasteful number, since it uses less digits than its factorization.

33212230211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322448940.

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

Adding to 33212230211 its reverse (11203221233), we get a palindrome (44415451444).

The spelling of 33212230211 in words is "thirty-three billion, two hundred twelve million, two hundred thirty thousand, two hundred eleven".