2220012111 has 4 divisors (see below), whose sum is σ = 2960016152. Its totient is φ = 1480008072.

The previous prime is 2220012073. The next prime is 2220012149. The reversal of 2220012111 is 1112100222.

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

It is an interprime number because it is at equal distance from previous prime (2220012073) and next prime (2220012149).

It is not a de Polignac number, because 2220012111 - 2¹⁴ = 2219995727 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 (2220012191) 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, 370002016 + ... + 370002021.

It is an arithmetic number, because the mean of its divisors is an integer number (740004038).

Almost surely, 2^2220012111 is an apocalyptic number.

2220012111 is a deficient number, since it is larger than the sum of its proper divisors (740004041).

2220012111 is an equidigital number, since it uses as much as digits as its factorization.

2220012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740004040.

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

The square root of 2220012111 is about 47117.0044782136. The cubic root of 2220012111 is about 1304.5231222460.

Adding to 2220012111 its reverse (1112100222), we get a palindrome (3332112333).

The spelling of 2220012111 in words is "two billion, two hundred twenty million, twelve thousand, one hundred eleven".