220112220111 has 16 divisors (see below), whose sum is σ = 340907609088. Its totient is φ = 123716469600.

The previous prime is 220112220109. The next prime is 220112220131. The reversal of 220112220111 is 111022211022.

It is not a de Polignac number, because 220112220111 - 2¹ = 220112220109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220112220131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85912935 + ... + 85915496.

It is an arithmetic number, because the mean of its divisors is an integer number (21306725568).

Almost surely, 2^220112220111 is an apocalyptic number.

220112220111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

220112220111 is a deficient number, since it is larger than the sum of its proper divisors (120795388977).

220112220111 is a wasteful number, since it uses less digits than its factorization.

220112220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171828502.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220112220111 its reverse (111022211022), we get a palindrome (331134431133).

The spelling of 220112220111 in words is "two hundred twenty billion, one hundred twelve million, two hundred twenty thousand, one hundred eleven".