1223332111 has 2 divisors, whose sum is σ = 1223332112. Its totient is φ = 1223332110.

The previous prime is 1223332109. The next prime is 1223332141. The reversal of 1223332111 is 1112333221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1223332111 - 2¹ = 1223332109 is a prime.

Together with 1223332109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223332141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611666055 + 611666056.

It is an arithmetic number, because the mean of its divisors is an integer number (611666056).

Almost surely, 2^1223332111 is an apocalyptic number.

1223332111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223332111 is an equidigital number, since it uses as much as digits as its factorization.

1223332111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 216, while the sum is 19.

The square root of 1223332111 is about 34976.1648983990. The cubic root of 1223332111 is about 1069.5016490257.

Adding to 1223332111 its reverse (1112333221), we get a palindrome (2335665332).

It can be divided in two parts, 12233 and 32111, that added together give a palindrome (44344).

The spelling of 1223332111 in words is "one billion, two hundred twenty-three million, three hundred thirty-two thousand, one hundred eleven".