220220122111 has 8 divisors (see below), whose sum is σ = 245351625984. Its totient is φ = 195940533720.

The previous prime is 220220122099. The next prime is 220220122147. The reversal of 220220122111 is 111221022022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220220122111 - 2¹⁵ = 220220089343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220220122151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212978325 + ... + 212979358.

It is an arithmetic number, because the mean of its divisors is an integer number (30668953248).

Almost surely, 2^220220122111 is an apocalyptic number.

220220122111 is a deficient number, since it is larger than the sum of its proper divisors (25131503873).

220220122111 is a wasteful number, since it uses less digits than its factorization.

220220122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425957741.

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

Adding to 220220122111 its reverse (111221022022), we get a palindrome (331441144133).

The spelling of 220220122111 in words is "two hundred twenty billion, two hundred twenty million, one hundred twenty-two thousand, one hundred eleven".