220020222111 has 4 divisors (see below), whose sum is σ = 293360296152. Its totient is φ = 146680148072.

The previous prime is 220020222101. The next prime is 220020222131. The reversal of 220020222111 is 111222020022.

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 220020222111 - 2⁹ = 220020221599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220020222101) 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, 36670037016 + ... + 36670037021.

It is an arithmetic number, because the mean of its divisors is an integer number (73340074038).

Almost surely, 2^220020222111 is an apocalyptic number.

220020222111 is a deficient number, since it is larger than the sum of its proper divisors (73340074041).

220020222111 is an equidigital number, since it uses as much as digits as its factorization.

220020222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73340074040.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220020222111 its reverse (111222020022), we get a palindrome (331242242133).

The spelling of 220020222111 in words is "two hundred twenty billion, twenty million, two hundred twenty-two thousand, one hundred eleven".