220221022111 has 4 divisors (see below), whose sum is σ = 220517417232. Its totient is φ = 219924626992.

The previous prime is 220221022093. The next prime is 220221022159. The reversal of 220221022111 is 111220122022.

It is a happy number.

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 220221022111 - 2³³ = 211631087519 is a prime.

It is a super-2 number, since 2×220221022111² (a number of 23 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 (220221022181) 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, 148196446 + ... + 148197931.

It is an arithmetic number, because the mean of its divisors is an integer number (55129354308).

Almost surely, 2^220221022111 is an apocalyptic number.

220221022111 is a deficient number, since it is larger than the sum of its proper divisors (296395121).

220221022111 is an equidigital number, since it uses as much as digits as its factorization.

220221022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296395120.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220221022111 its reverse (111220122022), we get a palindrome (331441144133).

The spelling of 220221022111 in words is "two hundred twenty billion, two hundred twenty-one million, twenty-two thousand, one hundred eleven".