1113321111 has 24 divisors (see below), whose sum is σ = 1752572160. Its totient is φ = 626682672.

The previous prime is 1113321103. The next prime is 1113321113. The reversal of 1113321111 is 1111233111.

It is not a de Polignac number, because 1113321111 - 2³ = 1113321103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113321113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46671 + ... + 66368.

It is an arithmetic number, because the mean of its divisors is an integer number (73023840).

Almost surely, 2^1113321111 is an apocalyptic number.

1113321111 is a deficient number, since it is larger than the sum of its proper divisors (639251049).

1113321111 is a wasteful number, since it uses less digits than its factorization.

1113321111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113123 (or 113116 counting only the distinct ones).

The product of its digits is 18, while the sum is 15.

The square root of 1113321111 is about 33366.4668642036. The cubic root of 1113321111 is about 1036.4304122220.

Adding to 1113321111 its reverse (1111233111), we get a palindrome (2224554222).

The spelling of 1113321111 in words is "one billion, one hundred thirteen million, three hundred twenty-one thousand, one hundred eleven".