33000220111 has 4 divisors (see below), whose sum is σ = 33017897512. Its totient is φ = 32982542712.

The previous prime is 33000220109. The next prime is 33000220151. The reversal of 33000220111 is 11102200033.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 33000220111 - 2¹ = 33000220109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33000220091 and 33000220100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33000220151) 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, 8835900 + ... + 8839633.

It is an arithmetic number, because the mean of its divisors is an integer number (8254474378).

Almost surely, 2^33000220111 is an apocalyptic number.

33000220111 is a deficient number, since it is larger than the sum of its proper divisors (17677401).

33000220111 is a wasteful number, since it uses less digits than its factorization.

33000220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17677400.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 33000220111 its reverse (11102200033), we get a palindrome (44102420144).

The spelling of 33000220111 in words is "thirty-three billion, two hundred twenty thousand, one hundred eleven".