220000212111 has 4 divisors (see below), whose sum is σ = 293333616152. Its totient is φ = 146666808072.

The previous prime is 220000212109. The next prime is 220000212161. The reversal of 220000212111 is 111212000022.

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

It is not a de Polignac number, because 220000212111 - 2¹ = 220000212109 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 (220000212161) 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, 36666702016 + ... + 36666702021.

It is an arithmetic number, because the mean of its divisors is an integer number (73333404038).

Almost surely, 2^220000212111 is an apocalyptic number.

220000212111 is a deficient number, since it is larger than the sum of its proper divisors (73333404041).

220000212111 is an equidigital number, since it uses as much as digits as its factorization.

220000212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73333404040.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 220000212111 its reverse (111212000022), we get a palindrome (331212212133).

The spelling of 220000212111 in words is "two hundred twenty billion, two hundred twelve thousand, one hundred eleven".