220033012221 has 112 divisors (see below), whose sum is σ = 378427029120. Its totient is φ = 126636048000.

The previous prime is 220033012183. The next prime is 220033012223. The reversal of 220033012221 is 122210330022.

It is not a de Polignac number, because 220033012221 - 2¹⁷ = 220032881149 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220033012194 and 220033012203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220033012223) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 14177856 + ... + 14193366.

It is an arithmetic number, because the mean of its divisors is an integer number (3378812760).

Almost surely, 2^220033012221 is an apocalyptic number.

It is an amenable number.

220033012221 is a deficient number, since it is larger than the sum of its proper divisors (158394016899).

220033012221 is a wasteful number, since it uses less digits than its factorization.

220033012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15630 (or 15615 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 220033012221 its reverse (122210330022), we get a palindrome (342243342243).

The spelling of 220033012221 in words is "two hundred twenty billion, thirty-three million, twelve thousand, two hundred twenty-one".