220112100111 has 4 divisors (see below), whose sum is σ = 293482800152. Its totient is φ = 146741400072.

The previous prime is 220112100067. The next prime is 220112100119. The reversal of 220112100111 is 111001211022.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 220112100111 - 2¹⁷ = 220111969039 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 (220112100119) 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, 36685350016 + ... + 36685350021.

It is an arithmetic number, because the mean of its divisors is an integer number (73370700038).

Almost surely, 2^220112100111 is an apocalyptic number.

220112100111 is a deficient number, since it is larger than the sum of its proper divisors (73370700041).

220112100111 is an equidigital number, since it uses as much as digits as its factorization.

220112100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73370700040.

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

Adding to 220112100111 its reverse (111001211022), we get a palindrome (331113311133).

The spelling of 220112100111 in words is "two hundred twenty billion, one hundred twelve million, one hundred thousand, one hundred eleven".