220120110111 has 32 divisors (see below), whose sum is σ = 324815339520. Its totient is φ = 131474050400.

The previous prime is 220120110097. The next prime is 220120110113. The reversal of 220120110111 is 111011021022.

It is not a de Polignac number, because 220120110111 - 2⁷ = 220120109983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220120110113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6221770 + ... + 6257048.

It is an arithmetic number, because the mean of its divisors is an integer number (10150479360).

Almost surely, 2^220120110111 is an apocalyptic number.

220120110111 is a deficient number, since it is larger than the sum of its proper divisors (104695229409).

220120110111 is a wasteful number, since it uses less digits than its factorization.

220120110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38027.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 220120110111 its reverse (111011021022), we get a palindrome (331131131133).

The spelling of 220120110111 in words is "two hundred twenty billion, one hundred twenty million, one hundred ten thousand, one hundred eleven".