2221230111 has 4 divisors (see below), whose sum is σ = 2961640152. Its totient is φ = 1480820072.

The previous prime is 2221230103. The next prime is 2221230119. The reversal of 2221230111 is 1110321222.

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 (2221230103) and next prime (2221230119).

It is a cyclic number.

It is not a de Polignac number, because 2221230111 - 2³ = 2221230103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221230119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370205016 + ... + 370205021.

It is an arithmetic number, because the mean of its divisors is an integer number (740410038).

Almost surely, 2^2221230111 is an apocalyptic number.

2221230111 is a deficient number, since it is larger than the sum of its proper divisors (740410041).

2221230111 is an equidigital number, since it uses as much as digits as its factorization.

2221230111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740410040.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2221230111 is about 47129.9279757566. The cubic root of 2221230111 is about 1304.7616522764.

Adding to 2221230111 its reverse (1110321222), we get a palindrome (3331551333).

The spelling of 2221230111 in words is "two billion, two hundred twenty-one million, two hundred thirty thousand, one hundred eleven".